1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 3 /* $FreeBSD: src/sys/pci/if_de.c,v 1.123.2.4 2000/08/04 23:25:09 peter Exp $ */ 4 /* $DragonFly: src/sys/dev/netif/de/if_de.c,v 1.47 2006/12/22 23:26:19 swildner Exp $ */ 5 6 /*- 7 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software withough specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 30 * 31 */ 32 33 /* 34 * DEC 21040 PCI Ethernet Controller 35 * 36 * Written by Matt Thomas 37 * BPF support code stolen directly from if_ec.c 38 * 39 * This driver supports the DEC DE435 or any other PCI 40 * board which support 21040, 21041, or 21140 (mostly). 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/sockio.h> 48 #include <sys/malloc.h> 49 #include <sys/kernel.h> 50 #include <sys/eventhandler.h> 51 #include <sys/bus.h> 52 #include <sys/rman.h> 53 #include <sys/thread2.h> 54 55 #include "opt_inet.h" 56 #include "opt_ipx.h" 57 58 #include <net/if.h> 59 #include <net/if_media.h> 60 #include <net/if_dl.h> 61 62 #include <net/bpf.h> 63 64 #ifdef INET 65 #include <netinet/in.h> 66 #include <netinet/if_ether.h> 67 #endif 68 69 #ifdef IPX 70 #include <netproto/ipx/ipx.h> 71 #include <netproto/ipx/ipx_if.h> 72 #endif 73 74 #ifdef NS 75 #include <netproto/ns/ns.h> 76 #include <netproto/ns/ns_if.h> 77 #endif 78 79 #include <vm/vm.h> 80 81 #include <net/if_var.h> 82 #include <vm/pmap.h> 83 #include <bus/pci/pcivar.h> 84 #include <bus/pci/pcireg.h> 85 #include <bus/pci/dc21040reg.h> 86 87 /* 88 * Intel CPUs should use I/O mapped access. 89 */ 90 #if defined(__i386__) 91 #define TULIP_IOMAPPED 92 #endif 93 94 #define TULIP_HZ 10 95 96 #include "if_devar.h" 97 98 static tulip_softc_t *tulips[TULIP_MAX_DEVICES]; 99 100 /* 101 * This module supports 102 * the DEC 21040 PCI Ethernet Controller. 103 * the DEC 21041 PCI Ethernet Controller. 104 * the DEC 21140 PCI Fast Ethernet Controller. 105 */ 106 static void tulip_mii_autonegotiate(tulip_softc_t *, u_int); 107 static void tulip_intr_shared(void *); 108 static void tulip_intr_normal(void *); 109 static void tulip_init(tulip_softc_t *); 110 static void tulip_reset(tulip_softc_t *); 111 static void tulip_ifstart(struct ifnet *); 112 static struct mbuf *tulip_txput(tulip_softc_t *, struct mbuf *); 113 static void tulip_txput_setup(tulip_softc_t *); 114 static void tulip_rx_intr(tulip_softc_t *); 115 static void tulip_addr_filter(tulip_softc_t *); 116 static u_int tulip_mii_readreg(tulip_softc_t *, u_int, u_int); 117 static void tulip_mii_writereg(tulip_softc_t *, u_int, u_int, u_int); 118 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 119 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t *); 120 static int tulip_srom_decode(tulip_softc_t *); 121 static int tulip_ifmedia_change(struct ifnet *); 122 static void tulip_ifmedia_status(struct ifnet *, struct ifmediareq *); 123 /* static void tulip_21140_map_media(tulip_softc_t *sc); */ 124 125 static void 126 tulip_timeout_callback(void *arg) 127 { 128 tulip_softc_t *sc = arg; 129 130 lwkt_serialize_enter(sc->tulip_if.if_serializer); 131 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 132 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 133 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 134 lwkt_serialize_exit(sc->tulip_if.if_serializer); 135 } 136 137 static void 138 tulip_timeout(tulip_softc_t *sc) 139 { 140 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 141 return; 142 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 143 callout_reset(&sc->tulip_timer, (hz + TULIP_HZ / 2) / TULIP_HZ, 144 tulip_timeout_callback, sc); 145 } 146 147 static int 148 tulip_txprobe(tulip_softc_t *sc) 149 { 150 struct mbuf *m; 151 152 /* 153 * Before we are sure this is the right media we need 154 * to send a small packet to make sure there's carrier. 155 * Strangely, BNC and AUI will "see" receive data if 156 * either is connected so the transmit is the only way 157 * to verify the connectivity. 158 */ 159 MGETHDR(m, MB_DONTWAIT, MT_DATA); 160 if (m == NULL) 161 return 0; 162 /* 163 * Construct a LLC TEST message which will point to ourselves. 164 */ 165 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 166 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 167 mtod(m, struct ether_header *)->ether_type = htons(3); 168 mtod(m, unsigned char *)[14] = 0; 169 mtod(m, unsigned char *)[15] = 0; 170 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 171 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 172 /* 173 * send it! 174 */ 175 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 176 sc->tulip_intrmask |= TULIP_STS_TXINTR; 177 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 178 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 179 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 180 if ((m = tulip_txput(sc, m)) != NULL) 181 m_freem(m); 182 sc->tulip_probe.probe_txprobes++; 183 return 1; 184 } 185 186 #ifdef BIG_PACKET 187 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 188 #else 189 #define TULIP_SIAGEN_WATCHDOG 0 190 #endif 191 192 static void 193 tulip_media_set(tulip_softc_t *sc, tulip_media_t media) 194 { 195 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 196 197 if (mi == NULL) 198 return; 199 200 /* 201 * If we are switching media, make sure we don't think there's 202 * any stale RX activity 203 */ 204 sc->tulip_flags &= ~TULIP_RXACT; 205 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 206 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 207 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 208 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 209 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 210 DELAY(50); 211 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 212 } else { 213 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 214 } 215 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 216 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 217 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 218 /* 219 * If the cmdmode bits don't match the currently operating mode, 220 * set the cmdmode appropriately and reset the chip. 221 */ 222 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 223 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 224 sc->tulip_cmdmode |= mi->mi_cmdmode; 225 tulip_reset(sc); 226 } 227 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 228 DELAY(10); 229 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 230 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 231 /* 232 * If the cmdmode bits don't match the currently operating mode, 233 * set the cmdmode appropriately and reset the chip. 234 */ 235 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 236 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 237 sc->tulip_cmdmode |= mi->mi_cmdmode; 238 tulip_reset(sc); 239 } 240 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 241 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 242 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 243 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 244 int idx; 245 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 246 const u_int8_t *dp; 247 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 248 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 249 DELAY(10); 250 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 251 } 252 sc->tulip_phyaddr = mi->mi_phyaddr; 253 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 254 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 255 DELAY(10); 256 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 257 } 258 } else { 259 for (idx = 0; idx < mi->mi_reset_length; idx++) { 260 DELAY(10); 261 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 262 } 263 sc->tulip_phyaddr = mi->mi_phyaddr; 264 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 265 DELAY(10); 266 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 267 } 268 } 269 if (sc->tulip_flags & TULIP_TRYNWAY) { 270 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 271 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 272 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 273 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 274 sc->tulip_flags &= ~TULIP_DIDNWAY; 275 if (TULIP_IS_MEDIA_FD(media)) 276 data |= PHYCTL_FULL_DUPLEX; 277 if (TULIP_IS_MEDIA_100MB(media)) 278 data |= PHYCTL_SELECT_100MB; 279 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 280 } 281 } 282 } 283 284 static void 285 tulip_linkup(tulip_softc_t *sc, tulip_media_t media) 286 { 287 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 288 sc->tulip_flags |= TULIP_PRINTLINKUP; 289 sc->tulip_flags |= TULIP_LINKUP; 290 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 291 #if 0 /* XXX how does with work with ifmedia? */ 292 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 293 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 294 if (TULIP_CAN_MEDIA_FD(media) 295 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 296 media = TULIP_FD_MEDIA_OF(media); 297 } else { 298 if (TULIP_IS_MEDIA_FD(media) 299 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 300 media = TULIP_HD_MEDIA_OF(media); 301 } 302 } 303 #endif 304 if (sc->tulip_media != media) { 305 sc->tulip_media = media; 306 sc->tulip_flags |= TULIP_PRINTMEDIA; 307 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 308 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 309 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 310 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 311 } 312 } 313 /* 314 * We could set probe_timeout to 0 but setting to 3000 puts this 315 * in one central place and the only matters is tulip_link is 316 * followed by a tulip_timeout. Therefore setting it should not 317 * result in aberrant behavour. 318 */ 319 sc->tulip_probe_timeout = 3000; 320 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 321 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 322 if (sc->tulip_flags & TULIP_INRESET) { 323 tulip_media_set(sc, sc->tulip_media); 324 } else if (sc->tulip_probe_media != sc->tulip_media) { 325 /* 326 * No reason to change media if we have the right media. 327 */ 328 tulip_reset(sc); 329 } 330 tulip_init(sc); 331 } 332 333 static void 334 tulip_media_print(tulip_softc_t *sc) 335 { 336 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 337 return; 338 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 339 if_printf(&sc->tulip_if, "enabling %s port\n", 340 tulip_mediums[sc->tulip_media]); 341 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 342 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 343 if_printf(&sc->tulip_if, "link up\n"); 344 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 345 } 346 } 347 348 #if defined(TULIP_DO_GPR_SENSE) 349 static tulip_media_t 350 tulip_21140_gpr_media_sense(tulip_softc_t *sc) 351 { 352 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 353 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 354 tulip_media_t media; 355 356 /* 357 * If one of the media blocks contained a default media flag, 358 * use that. 359 */ 360 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 361 const tulip_media_info_t *mi; 362 /* 363 * Media is not supported (or is full-duplex). 364 */ 365 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 366 continue; 367 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 368 continue; 369 370 /* 371 * Remember the media is this is the "default" media. 372 */ 373 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 374 maybe_media = media; 375 376 /* 377 * No activity mask? Can't see if it is active if there's no mask. 378 */ 379 if (mi->mi_actmask == 0) 380 continue; 381 382 /* 383 * Does the activity data match? 384 */ 385 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 386 continue; 387 388 /* 389 * It does! If this is the first media we detected, then 390 * remember this media. If isn't the first, then there were 391 * multiple matches which we equate to no match (since we don't 392 * which to select (if any). 393 */ 394 if (last_media == TULIP_MEDIA_UNKNOWN) { 395 last_media = media; 396 } else if (last_media != media) { 397 last_media = TULIP_MEDIA_UNKNOWN; 398 } 399 } 400 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 401 } 402 #endif /* TULIP_DO_GPR_SENSE */ 403 404 static tulip_link_status_t 405 tulip_media_link_monitor(tulip_softc_t *sc) 406 { 407 const tulip_media_info_t *mi = sc->tulip_mediums[sc->tulip_media]; 408 tulip_link_status_t linkup = TULIP_LINK_DOWN; 409 410 if (mi == NULL) { 411 #if defined(DIAGNOSTIC) 412 panic("tulip_media_link_monitor: %s: botch at line %d\n", 413 tulip_mediums[sc->tulip_media],__LINE__); 414 #endif 415 return TULIP_LINK_UNKNOWN; 416 } 417 418 419 /* 420 * Have we seen some packets? If so, the link must be good. 421 */ 422 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 423 sc->tulip_flags &= ~TULIP_RXACT; 424 sc->tulip_probe_timeout = 3000; 425 return TULIP_LINK_UP; 426 } 427 428 sc->tulip_flags &= ~TULIP_RXACT; 429 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 430 u_int32_t status; 431 /* 432 * Read the PHY status register. 433 */ 434 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 435 if (status & PHYSTS_AUTONEG_DONE) { 436 /* 437 * If the PHY has completed autonegotiation, see the if the 438 * remote systems abilities have changed. If so, upgrade or 439 * downgrade as appropriate. 440 */ 441 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 442 abilities = (abilities << 6) & status; 443 if (abilities != sc->tulip_abilities) { 444 if (tulip_mii_map_abilities(sc, abilities)) { 445 tulip_linkup(sc, sc->tulip_probe_media); 446 return TULIP_LINK_UP; 447 } 448 /* 449 * if we had selected media because of autonegotiation, 450 * we need to probe for the new media. 451 */ 452 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 453 if (sc->tulip_flags & TULIP_DIDNWAY) 454 return TULIP_LINK_DOWN; 455 } 456 } 457 /* 458 * The link is now up. If was down, say its back up. 459 */ 460 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 461 linkup = TULIP_LINK_UP; 462 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 463 /* 464 * No activity sensor? Assume all's well. 465 */ 466 if (mi->mi_actmask == 0) 467 return TULIP_LINK_UNKNOWN; 468 /* 469 * Does the activity data match? 470 */ 471 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 472 linkup = TULIP_LINK_UP; 473 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 474 /* 475 * Assume non TP ok for now. 476 */ 477 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 478 return TULIP_LINK_UNKNOWN; 479 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 480 linkup = TULIP_LINK_UP; 481 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 482 return TULIP_LINK_UNKNOWN; 483 } 484 /* 485 * We will wait for 3 seconds until the link goes into suspect mode. 486 */ 487 if (sc->tulip_flags & TULIP_LINKUP) { 488 if (linkup == TULIP_LINK_UP) 489 sc->tulip_probe_timeout = 3000; 490 if (sc->tulip_probe_timeout > 0) 491 return TULIP_LINK_UP; 492 493 sc->tulip_flags &= ~TULIP_LINKUP; 494 if_printf(&sc->tulip_if, "link down: cable problem?\n"); 495 } 496 return TULIP_LINK_DOWN; 497 } 498 499 static void 500 tulip_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 501 { 502 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 503 && event == TULIP_MEDIAPOLL_TIMER) { 504 switch (tulip_media_link_monitor(sc)) { 505 case TULIP_LINK_DOWN: { 506 /* 507 * Link Monitor failed. Probe for new media. 508 */ 509 event = TULIP_MEDIAPOLL_LINKFAIL; 510 break; 511 } 512 case TULIP_LINK_UP: { 513 /* 514 * Check again soon. 515 */ 516 tulip_timeout(sc); 517 return; 518 } 519 case TULIP_LINK_UNKNOWN: { 520 /* 521 * We can't tell so don't bother. 522 */ 523 return; 524 } 525 } 526 } 527 528 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 529 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 530 if (TULIP_DO_AUTOSENSE(sc)) { 531 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 532 if (sc->tulip_if.if_flags & IFF_UP) 533 tulip_reset(sc); /* restart probe */ 534 } 535 return; 536 } 537 } 538 539 if (event == TULIP_MEDIAPOLL_START) { 540 sc->tulip_if.if_flags |= IFF_OACTIVE; 541 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 542 return; 543 sc->tulip_probe_mediamask = 0; 544 sc->tulip_probe_passes = 0; 545 /* 546 * If the SROM contained an explicit media to use, use it. 547 */ 548 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 549 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 550 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 551 /* 552 * connidx is defaulted to a media_unknown type. 553 */ 554 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 555 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 556 tulip_linkup(sc, sc->tulip_probe_media); 557 tulip_timeout(sc); 558 return; 559 } 560 561 if (sc->tulip_features & TULIP_HAVE_GPR) { 562 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 563 sc->tulip_probe_timeout = 2000; 564 } else { 565 sc->tulip_probe_media = TULIP_MEDIA_MAX; 566 sc->tulip_probe_timeout = 0; 567 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 568 } 569 } 570 571 /* 572 * Ignore txprobe failures or spurious callbacks. 573 */ 574 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 575 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 576 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 577 return; 578 } 579 580 /* 581 * If we really transmitted a packet, then that's the media we'll use. 582 */ 583 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 584 if (event == TULIP_MEDIAPOLL_LINKPASS) { 585 /* XXX Check media status just to be sure */ 586 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 587 } 588 tulip_linkup(sc, sc->tulip_probe_media); 589 tulip_timeout(sc); 590 return; 591 } 592 593 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 594 #if defined(TULIP_DO_GPR_SENSE) 595 /* 596 * Check for media via the general purpose register. 597 * 598 * Try to sense the media via the GPR. If the same value 599 * occurs 3 times in a row then just use that. 600 */ 601 if (sc->tulip_probe_timeout > 0) { 602 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 603 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 604 if (new_probe_media == sc->tulip_probe_media) { 605 if (--sc->tulip_probe_count == 0) 606 tulip_linkup(sc, sc->tulip_probe_media); 607 } else { 608 sc->tulip_probe_count = 10; 609 } 610 } 611 sc->tulip_probe_media = new_probe_media; 612 tulip_timeout(sc); 613 return; 614 } 615 #endif /* TULIP_DO_GPR_SENSE */ 616 /* 617 * Brute force. We cycle through each of the media types 618 * and try to transmit a packet. 619 */ 620 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 621 sc->tulip_probe_media = TULIP_MEDIA_MAX; 622 sc->tulip_probe_timeout = 0; 623 tulip_timeout(sc); 624 return; 625 } 626 627 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 628 && (sc->tulip_features & TULIP_HAVE_MII)) { 629 tulip_media_t old_media = sc->tulip_probe_media; 630 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 631 switch (sc->tulip_probe_state) { 632 case TULIP_PROBE_FAILED: 633 case TULIP_PROBE_MEDIATEST: { 634 /* 635 * Try the next media. 636 */ 637 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 638 sc->tulip_probe_timeout = 0; 639 #ifdef notyet 640 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 641 break; 642 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 643 break; 644 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 645 #endif 646 break; 647 } 648 case TULIP_PROBE_PHYAUTONEG: { 649 return; 650 } 651 case TULIP_PROBE_INACTIVE: { 652 /* 653 * Only probe if we autonegotiated a media that hasn't failed. 654 */ 655 sc->tulip_probe_timeout = 0; 656 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 657 sc->tulip_probe_media = old_media; 658 break; 659 } 660 tulip_linkup(sc, sc->tulip_probe_media); 661 tulip_timeout(sc); 662 return; 663 } 664 default: { 665 #if defined(DIAGNOSTIC) 666 panic("tulip_media_poll: botch at line %d\n", __LINE__); 667 #endif 668 break; 669 } 670 } 671 } 672 673 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 674 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 675 return; 676 } 677 678 /* 679 * switch to another media if we tried this one enough. 680 */ 681 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 682 /* 683 * Find the next media type to check for. Full Duplex 684 * types are not allowed. 685 */ 686 do { 687 sc->tulip_probe_media -= 1; 688 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 689 if (++sc->tulip_probe_passes == 3) { 690 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n"); 691 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 692 sc->tulip_if.if_flags &= ~IFF_RUNNING; 693 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 694 return; 695 } 696 } 697 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 698 sc->tulip_probe_mediamask = 0; 699 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 700 } 701 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 702 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 703 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 704 705 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 706 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 707 sc->tulip_probe.probe_txprobes = 0; 708 tulip_reset(sc); 709 tulip_media_set(sc, sc->tulip_probe_media); 710 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 711 } 712 tulip_timeout(sc); 713 714 /* 715 * If this is hanging off a phy, we know are doing NWAY and we have 716 * forced the phy to a specific speed. Wait for link up before 717 * before sending a packet. 718 */ 719 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 720 case TULIP_MEDIAINFO_MII: { 721 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 722 return; 723 break; 724 } 725 case TULIP_MEDIAINFO_SIA: { 726 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 727 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 728 return; 729 tulip_linkup(sc, sc->tulip_probe_media); 730 #ifdef notyet 731 if (sc->tulip_features & TULIP_HAVE_MII) 732 tulip_timeout(sc); 733 #endif 734 return; 735 } 736 break; 737 } 738 case TULIP_MEDIAINFO_RESET: 739 case TULIP_MEDIAINFO_SYM: 740 case TULIP_MEDIAINFO_NONE: 741 case TULIP_MEDIAINFO_GPR: { 742 break; 743 } 744 } 745 /* 746 * Try to send a packet. 747 */ 748 tulip_txprobe(sc); 749 } 750 751 static void 752 tulip_media_select(tulip_softc_t *sc) 753 { 754 if (sc->tulip_features & TULIP_HAVE_GPR) { 755 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 756 DELAY(10); 757 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 758 } 759 /* 760 * If this board has no media, just return 761 */ 762 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 763 return; 764 765 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 766 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 767 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 768 } else { 769 tulip_media_set(sc, sc->tulip_media); 770 } 771 } 772 773 static void 774 tulip_21040_mediainfo_init(tulip_softc_t *sc, tulip_media_t media) 775 { 776 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 777 |TULIP_CMD_BACKOFFCTR; 778 sc->tulip_if.if_baudrate = 10000000; 779 780 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 781 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 782 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 783 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 784 } 785 786 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 787 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 788 } 789 790 if (media == TULIP_MEDIA_UNKNOWN) { 791 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 792 } 793 } 794 795 static void 796 tulip_21040_media_probe(tulip_softc_t *sc) 797 { 798 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 799 } 800 801 static void 802 tulip_21040_10baset_only_media_probe(tulip_softc_t *sc) 803 { 804 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 805 tulip_media_set(sc, TULIP_MEDIA_10BASET); 806 sc->tulip_media = TULIP_MEDIA_10BASET; 807 } 808 809 static void 810 tulip_21040_10baset_only_media_select(tulip_softc_t *sc) 811 { 812 sc->tulip_flags |= TULIP_LINKUP; 813 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 814 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 815 sc->tulip_flags &= ~TULIP_SQETEST; 816 } else { 817 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 818 sc->tulip_flags |= TULIP_SQETEST; 819 } 820 tulip_media_set(sc, sc->tulip_media); 821 } 822 823 static void 824 tulip_21040_auibnc_only_media_probe(tulip_softc_t *sc) 825 { 826 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 827 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 828 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 829 sc->tulip_media = TULIP_MEDIA_AUIBNC; 830 } 831 832 static void 833 tulip_21040_auibnc_only_media_select(tulip_softc_t *sc) 834 { 835 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 836 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 837 } 838 839 static const tulip_boardsw_t tulip_21040_boardsw = { 840 TULIP_21040_GENERIC, 841 tulip_21040_media_probe, 842 tulip_media_select, 843 tulip_media_poll, 844 }; 845 846 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 847 TULIP_21040_GENERIC, 848 tulip_21040_10baset_only_media_probe, 849 tulip_21040_10baset_only_media_select, 850 NULL, 851 }; 852 853 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 854 TULIP_21040_GENERIC, 855 tulip_21040_auibnc_only_media_probe, 856 tulip_21040_auibnc_only_media_select, 857 NULL, 858 }; 859 860 static void 861 tulip_21041_mediainfo_init(tulip_softc_t *sc) 862 { 863 tulip_media_info_t *mi = sc->tulip_mediainfo; 864 865 #ifdef notyet 866 if (sc->tulip_revinfo >= 0x20) { 867 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 868 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 869 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 870 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 871 return; 872 } 873 #endif 874 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 875 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 876 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 877 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 878 } 879 880 static void 881 tulip_21041_media_probe(tulip_softc_t *sc) 882 { 883 sc->tulip_if.if_baudrate = 10000000; 884 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 885 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 886 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 887 tulip_21041_mediainfo_init(sc); 888 } 889 890 static void 891 tulip_21041_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 892 { 893 uint32_t sia_status; 894 895 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 896 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 897 || !TULIP_DO_AUTOSENSE(sc)) 898 return; 899 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 900 tulip_reset(sc); /* start probe */ 901 return; 902 } 903 904 /* 905 * If we've been been asked to start a poll or link change interrupt 906 * restart the probe (and reset the tulip to a known state). 907 */ 908 if (event == TULIP_MEDIAPOLL_START) { 909 sc->tulip_if.if_flags |= IFF_OACTIVE; 910 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 911 #ifdef notyet 912 if (sc->tulip_revinfo >= 0x20) { 913 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 914 sc->tulip_flags |= TULIP_DIDNWAY; 915 } 916 #endif 917 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 918 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 919 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 920 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 921 tulip_media_set(sc, TULIP_MEDIA_10BASET); 922 tulip_timeout(sc); 923 return; 924 } 925 926 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 927 return; 928 929 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 930 tulip_linkup(sc, sc->tulip_probe_media); 931 return; 932 } 933 934 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 935 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 936 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 937 if (sc->tulip_revinfo >= 0x20) { 938 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 939 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 940 } 941 /* 942 * If the link has passed LinkPass, 10baseT is the 943 * proper media to use. 944 */ 945 tulip_linkup(sc, sc->tulip_probe_media); 946 return; 947 } 948 949 /* 950 * wait for up to 2.4 seconds for the link to reach pass state. 951 * Only then start scanning the other media for activity. 952 * choose media with receive activity over those without. 953 */ 954 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 955 if (event != TULIP_MEDIAPOLL_TIMER) 956 return; 957 if (sc->tulip_probe_timeout > 0 958 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 959 tulip_timeout(sc); 960 return; 961 } 962 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 963 sc->tulip_flags |= TULIP_WANTRXACT; 964 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 965 sc->tulip_probe_media = TULIP_MEDIA_BNC; 966 } else { 967 sc->tulip_probe_media = TULIP_MEDIA_AUI; 968 } 969 tulip_media_set(sc, sc->tulip_probe_media); 970 tulip_timeout(sc); 971 return; 972 } 973 974 /* 975 * If we failed, clear the txprobe active flag. 976 */ 977 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 978 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 979 980 981 if (event == TULIP_MEDIAPOLL_TIMER) { 982 /* 983 * If we've received something, then that's our link! 984 */ 985 if (sc->tulip_flags & TULIP_RXACT) { 986 tulip_linkup(sc, sc->tulip_probe_media); 987 return; 988 } 989 /* 990 * if no txprobe active 991 */ 992 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 993 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 994 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 995 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 996 tulip_txprobe(sc); 997 tulip_timeout(sc); 998 return; 999 } 1000 /* 1001 * Take 2 passes through before deciding to not 1002 * wait for receive activity. Then take another 1003 * two passes before spitting out a warning. 1004 */ 1005 if (sc->tulip_probe_timeout <= 0) { 1006 if (sc->tulip_flags & TULIP_WANTRXACT) { 1007 sc->tulip_flags &= ~TULIP_WANTRXACT; 1008 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1009 } else { 1010 if_printf(&sc->tulip_if, "autosense failed: cable problem?\n"); 1011 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1012 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1013 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1014 return; 1015 } 1016 } 1017 } 1018 } 1019 1020 /* 1021 * Since this media failed to probe, try the other one. 1022 */ 1023 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1024 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1025 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1026 } else { 1027 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1028 } 1029 tulip_media_set(sc, sc->tulip_probe_media); 1030 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1031 tulip_timeout(sc); 1032 } 1033 1034 static const tulip_boardsw_t tulip_21041_boardsw = { 1035 TULIP_21041_GENERIC, 1036 tulip_21041_media_probe, 1037 tulip_media_select, 1038 tulip_21041_media_poll 1039 }; 1040 1041 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1042 { 0x20005c00, 0, /* 08-00-17 */ 1043 { 1044 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1045 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1046 }, 1047 }, 1048 { 0x0281F400, 0, /* 00-A0-7D */ 1049 { 1050 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1051 { }, /* 100TX */ 1052 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1053 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1054 }, 1055 }, 1056 #if 0 1057 { 0x0015F420, 0, /* 00-A0-7D */ 1058 { 1059 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1060 { }, /* 100TX */ 1061 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1062 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1063 }, 1064 }, 1065 #endif 1066 { 0x0281F400, 0, /* 00-A0-BE */ 1067 { 1068 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1069 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1070 { }, /* 100T4 */ 1071 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1072 }, 1073 }, 1074 { 0 } 1075 }; 1076 1077 static tulip_media_t 1078 tulip_mii_phy_readspecific(tulip_softc_t *sc) 1079 { 1080 const tulip_phy_attr_t *attr; 1081 u_int16_t data; 1082 u_int32_t id; 1083 unsigned idx = 0; 1084 static const tulip_media_t table[] = { 1085 TULIP_MEDIA_UNKNOWN, 1086 TULIP_MEDIA_10BASET, 1087 TULIP_MEDIA_100BASETX, 1088 TULIP_MEDIA_100BASET4, 1089 TULIP_MEDIA_UNKNOWN, 1090 TULIP_MEDIA_10BASET_FD, 1091 TULIP_MEDIA_100BASETX_FD, 1092 TULIP_MEDIA_UNKNOWN 1093 }; 1094 1095 /* 1096 * Don't read phy specific registers if link is not up. 1097 */ 1098 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1099 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1100 return TULIP_MEDIA_UNKNOWN; 1101 1102 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1103 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1104 for (attr = tulip_mii_phy_attrlist;; attr++) { 1105 if (attr->attr_id == 0) 1106 return TULIP_MEDIA_UNKNOWN; 1107 if ((id & ~0x0F) == attr->attr_id) 1108 break; 1109 } 1110 1111 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1112 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100TX]; 1113 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1114 if ((data & pm->pm_mask) == pm->pm_value) 1115 idx = 2; 1116 } 1117 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1118 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100T4]; 1119 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1120 if ((data & pm->pm_mask) == pm->pm_value) 1121 idx = 3; 1122 } 1123 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1124 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_10T]; 1125 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1126 if ((data & pm->pm_mask) == pm->pm_value) 1127 idx = 1; 1128 } 1129 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1130 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1131 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1132 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1133 } 1134 return table[idx]; 1135 } 1136 1137 static u_int 1138 tulip_mii_get_phyaddr(tulip_softc_t *sc, u_int offset) 1139 { 1140 u_int phyaddr; 1141 1142 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1143 u_int status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1144 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1145 continue; 1146 if (offset == 0) 1147 return phyaddr; 1148 offset--; 1149 } 1150 if (offset == 0) { 1151 u_int status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1152 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1153 return TULIP_MII_NOPHY; 1154 return 0; 1155 } 1156 return TULIP_MII_NOPHY; 1157 } 1158 1159 static int 1160 tulip_mii_map_abilities(tulip_softc_t *sc, u_int abilities) 1161 { 1162 sc->tulip_abilities = abilities; 1163 if (abilities & PHYSTS_100BASETX_FD) { 1164 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1165 } else if (abilities & PHYSTS_100BASET4) { 1166 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1167 } else if (abilities & PHYSTS_100BASETX) { 1168 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1169 } else if (abilities & PHYSTS_10BASET_FD) { 1170 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1171 } else if (abilities & PHYSTS_10BASET) { 1172 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1173 } else { 1174 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1175 return 0; 1176 } 1177 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1178 return 1; 1179 } 1180 1181 static void 1182 tulip_mii_autonegotiate(tulip_softc_t *sc, u_int phyaddr) 1183 { 1184 switch (sc->tulip_probe_state) { 1185 case TULIP_PROBE_MEDIATEST: 1186 case TULIP_PROBE_INACTIVE: { 1187 sc->tulip_flags |= TULIP_DIDNWAY; 1188 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1189 sc->tulip_probe_timeout = 3000; 1190 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1191 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1192 /* FALL THROUGH */ 1193 } 1194 case TULIP_PROBE_PHYRESET: { 1195 uint32_t status; 1196 uint32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1197 if (data & PHYCTL_RESET) { 1198 if (sc->tulip_probe_timeout > 0) { 1199 tulip_timeout(sc); 1200 return; 1201 } 1202 if_printf(&sc->tulip_if, 1203 "(phy%d): error: reset of PHY never completed!\n", phyaddr); 1204 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1205 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1206 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1207 return; 1208 } 1209 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1210 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1211 sc->tulip_flags &= ~TULIP_DIDNWAY; 1212 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1213 return; 1214 } 1215 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1216 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1217 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1218 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1219 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1220 sc->tulip_probe_timeout = 3000; 1221 /* FALL THROUGH */ 1222 } 1223 case TULIP_PROBE_PHYAUTONEG: { 1224 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1225 u_int32_t data; 1226 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1227 if (sc->tulip_probe_timeout > 0) { 1228 tulip_timeout(sc); 1229 return; 1230 } 1231 sc->tulip_flags &= ~TULIP_DIDNWAY; 1232 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1233 return; 1234 } 1235 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1236 data = (data << 6) & status; 1237 if (!tulip_mii_map_abilities(sc, data)) 1238 sc->tulip_flags &= ~TULIP_DIDNWAY; 1239 return; 1240 } 1241 default: { 1242 #if defined(DIAGNOSTIC) 1243 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1244 #endif 1245 break; 1246 } 1247 } 1248 } 1249 1250 static void 1251 tulip_2114x_media_preset(tulip_softc_t *sc) 1252 { 1253 const tulip_media_info_t *mi = NULL; 1254 tulip_media_t media = sc->tulip_media; 1255 1256 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1257 media = sc->tulip_media; 1258 else 1259 media = sc->tulip_probe_media; 1260 1261 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1262 sc->tulip_flags &= ~TULIP_SQETEST; 1263 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1264 mi = sc->tulip_mediums[media]; 1265 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1266 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1267 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1268 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1269 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1270 sc->tulip_cmdmode |= mi->mi_cmdmode; 1271 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1272 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1273 } 1274 } 1275 switch (media) { 1276 case TULIP_MEDIA_BNC: 1277 case TULIP_MEDIA_AUI: 1278 case TULIP_MEDIA_10BASET: { 1279 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1280 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1281 sc->tulip_if.if_baudrate = 10000000; 1282 sc->tulip_flags |= TULIP_SQETEST; 1283 break; 1284 } 1285 case TULIP_MEDIA_10BASET_FD: { 1286 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1287 sc->tulip_if.if_baudrate = 10000000; 1288 break; 1289 } 1290 case TULIP_MEDIA_100BASEFX: 1291 case TULIP_MEDIA_100BASET4: 1292 case TULIP_MEDIA_100BASETX: { 1293 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1294 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1295 sc->tulip_if.if_baudrate = 100000000; 1296 break; 1297 } 1298 case TULIP_MEDIA_100BASEFX_FD: 1299 case TULIP_MEDIA_100BASETX_FD: { 1300 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1301 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1302 sc->tulip_if.if_baudrate = 100000000; 1303 break; 1304 } 1305 default: { 1306 break; 1307 } 1308 } 1309 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1310 } 1311 1312 /* 1313 ******************************************************************** 1314 * Start of 21140/21140A support which does not use the MII interface 1315 */ 1316 1317 static void 1318 tulip_null_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event) 1319 { 1320 #if defined(DIAGNOSTIC) 1321 if_printf(&sc->tulip_if, "botch(media_poll) at line %d\n", __LINE__); 1322 #endif 1323 } 1324 1325 static void 1326 tulip_21140_mediainit(tulip_softc_t *sc, tulip_media_info_t *mip, 1327 tulip_media_t media, u_int gpdata, u_int cmdmode) 1328 { 1329 sc->tulip_mediums[media] = mip; 1330 mip->mi_type = TULIP_MEDIAINFO_GPR; 1331 mip->mi_cmdmode = cmdmode; 1332 mip->mi_gpdata = gpdata; 1333 } 1334 1335 static void 1336 tulip_21140_evalboard_media_probe(tulip_softc_t *sc) 1337 { 1338 tulip_media_info_t *mip = sc->tulip_mediainfo; 1339 1340 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1341 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1342 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1343 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1344 TULIP_CSR_WRITE(sc, csr_command, 1345 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1346 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1347 TULIP_CSR_WRITE(sc, csr_command, 1348 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1349 DELAY(1000000); 1350 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1351 sc->tulip_media = TULIP_MEDIA_10BASET; 1352 } else { 1353 sc->tulip_media = TULIP_MEDIA_100BASETX; 1354 } 1355 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1356 TULIP_GP_EB_INIT, 1357 TULIP_CMD_TXTHRSHLDCTL); 1358 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1359 TULIP_GP_EB_INIT, 1360 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1361 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1362 TULIP_GP_EB_INIT, 1363 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1364 |TULIP_CMD_SCRAMBLER); 1365 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1366 TULIP_GP_EB_INIT, 1367 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1368 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1369 } 1370 1371 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1372 TULIP_21140_DEC_EB, 1373 tulip_21140_evalboard_media_probe, 1374 tulip_media_select, 1375 tulip_null_media_poll, 1376 tulip_2114x_media_preset, 1377 }; 1378 1379 static void 1380 tulip_21140_accton_media_probe(tulip_softc_t *sc) 1381 { 1382 tulip_media_info_t *mip = sc->tulip_mediainfo; 1383 u_int gpdata; 1384 1385 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1386 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1387 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1388 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1389 TULIP_CSR_WRITE(sc, csr_command, 1390 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1391 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1392 TULIP_CSR_WRITE(sc, csr_command, 1393 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1394 DELAY(1000000); 1395 gpdata = TULIP_CSR_READ(sc, csr_gp); 1396 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1397 sc->tulip_media = TULIP_MEDIA_10BASET; 1398 } else { 1399 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1400 sc->tulip_media = TULIP_MEDIA_BNC; 1401 } else { 1402 sc->tulip_media = TULIP_MEDIA_100BASETX; 1403 } 1404 } 1405 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1406 TULIP_GP_EN1207_BNC_INIT, 1407 TULIP_CMD_TXTHRSHLDCTL); 1408 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1409 TULIP_GP_EN1207_UTP_INIT, 1410 TULIP_CMD_TXTHRSHLDCTL); 1411 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1412 TULIP_GP_EN1207_UTP_INIT, 1413 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1414 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1415 TULIP_GP_EN1207_100_INIT, 1416 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1417 |TULIP_CMD_SCRAMBLER); 1418 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1419 TULIP_GP_EN1207_100_INIT, 1420 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1421 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1422 } 1423 1424 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1425 TULIP_21140_EN1207, 1426 tulip_21140_accton_media_probe, 1427 tulip_media_select, 1428 tulip_null_media_poll, 1429 tulip_2114x_media_preset, 1430 }; 1431 1432 static void 1433 tulip_21140_smc9332_media_probe(tulip_softc_t *sc) 1434 { 1435 tulip_media_info_t *mip = sc->tulip_mediainfo; 1436 int idx, cnt = 0; 1437 1438 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1439 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1440 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1441 33MHz that comes to two microseconds but wait a 1442 bit longer anyways) */ 1443 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1444 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1445 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1446 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1447 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1448 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1449 DELAY(200000); 1450 for (idx = 1000; idx > 0; idx--) { 1451 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1452 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1453 if (++cnt > 100) 1454 break; 1455 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1456 break; 1457 } else { 1458 cnt = 0; 1459 } 1460 DELAY(1000); 1461 } 1462 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1463 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1464 TULIP_GP_SMC_9332_INIT, 1465 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1466 |TULIP_CMD_SCRAMBLER); 1467 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1468 TULIP_GP_SMC_9332_INIT, 1469 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1470 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1471 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1472 TULIP_GP_SMC_9332_INIT, 1473 TULIP_CMD_TXTHRSHLDCTL); 1474 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1475 TULIP_GP_SMC_9332_INIT, 1476 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1477 } 1478 1479 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1480 TULIP_21140_SMC_9332, 1481 tulip_21140_smc9332_media_probe, 1482 tulip_media_select, 1483 tulip_null_media_poll, 1484 tulip_2114x_media_preset, 1485 }; 1486 1487 static void 1488 tulip_21140_cogent_em100_media_probe(tulip_softc_t *sc) 1489 { 1490 tulip_media_info_t *mip = sc->tulip_mediainfo; 1491 uint32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1492 1493 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1494 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1495 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1496 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1497 1498 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1499 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1500 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1501 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1502 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1503 1504 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1505 TULIP_GP_EM100_INIT, 1506 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1507 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1508 TULIP_GP_EM100_INIT, 1509 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1510 |TULIP_CMD_FULLDUPLEX); 1511 } else { 1512 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1513 sc->tulip_media = TULIP_MEDIA_100BASETX; 1514 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1515 TULIP_GP_EM100_INIT, 1516 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1517 |TULIP_CMD_SCRAMBLER); 1518 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1519 TULIP_GP_EM100_INIT, 1520 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1521 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1522 } 1523 } 1524 1525 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1526 TULIP_21140_COGENT_EM100, 1527 tulip_21140_cogent_em100_media_probe, 1528 tulip_media_select, 1529 tulip_null_media_poll, 1530 tulip_2114x_media_preset 1531 }; 1532 1533 static void 1534 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t *sc) 1535 { 1536 tulip_media_info_t *mip = sc->tulip_mediainfo; 1537 int cnt10 = 0, cnt100 = 0, idx; 1538 1539 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1540 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1541 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1542 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1543 TULIP_CSR_WRITE(sc, csr_command, 1544 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1545 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1546 TULIP_CSR_WRITE(sc, csr_command, 1547 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1548 1549 DELAY(200000); 1550 for (idx = 1000; idx > 0; idx--) { 1551 uint32_t csr = TULIP_CSR_READ(sc, csr_gp); 1552 if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) { 1553 if (++cnt100 > 100) 1554 break; 1555 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1556 if (++cnt10 > 100) 1557 break; 1558 } else { 1559 cnt10 = 0; 1560 cnt100 = 0; 1561 } 1562 DELAY(1000); 1563 } 1564 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1565 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1566 TULIP_GP_ZX34X_INIT, 1567 TULIP_CMD_TXTHRSHLDCTL); 1568 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1569 TULIP_GP_ZX34X_INIT, 1570 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1571 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1572 TULIP_GP_ZX34X_INIT, 1573 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1574 |TULIP_CMD_SCRAMBLER); 1575 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1576 TULIP_GP_ZX34X_INIT, 1577 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1578 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1579 } 1580 1581 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1582 TULIP_21140_ZNYX_ZX34X, 1583 tulip_21140_znyx_zx34x_media_probe, 1584 tulip_media_select, 1585 tulip_null_media_poll, 1586 tulip_2114x_media_preset, 1587 }; 1588 1589 static void 1590 tulip_2114x_media_probe(tulip_softc_t *sc) 1591 { 1592 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR | 1593 TULIP_CMD_THRSHLD72; 1594 } 1595 1596 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1597 TULIP_21140_ISV, 1598 tulip_2114x_media_probe, 1599 tulip_media_select, 1600 tulip_media_poll, 1601 tulip_2114x_media_preset, 1602 }; 1603 1604 /* 1605 * ******** END of chip-specific handlers. *********** 1606 */ 1607 1608 /* 1609 * Code the read the SROM and MII bit streams (I2C) 1610 */ 1611 #define EMIT do { \ 1612 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1613 DELAY(1); \ 1614 } while (0) 1615 1616 static void 1617 tulip_srom_idle(tulip_softc_t *sc) 1618 { 1619 u_int bit, csr; 1620 1621 csr = SROMSEL ; EMIT; 1622 csr = SROMSEL | SROMRD; EMIT; 1623 csr ^= SROMCS; EMIT; 1624 csr ^= SROMCLKON; EMIT; 1625 1626 /* 1627 * Write 25 cycles of 0 which will force the SROM to be idle. 1628 */ 1629 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1630 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1631 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1632 } 1633 csr ^= SROMCLKOFF; EMIT; 1634 csr ^= SROMCS; EMIT; 1635 csr = 0; EMIT; 1636 } 1637 1638 1639 static void 1640 tulip_srom_read(tulip_softc_t *sc) 1641 { 1642 const u_int bitwidth = SROM_BITWIDTH; 1643 const u_int cmdmask = (SROMCMD_RD << bitwidth); 1644 const u_int msb = 1 << (bitwidth + 3 - 1); 1645 u_int idx, lastidx = (1 << bitwidth) - 1; 1646 1647 tulip_srom_idle(sc); 1648 1649 for (idx = 0; idx <= lastidx; idx++) { 1650 u_int lastbit, data, bits, bit, csr; 1651 csr = SROMSEL ; EMIT; 1652 csr = SROMSEL | SROMRD; EMIT; 1653 csr ^= SROMCSON; EMIT; 1654 csr ^= SROMCLKON; EMIT; 1655 1656 lastbit = 0; 1657 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1658 u_int thisbit = bits & msb; 1659 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1660 if (thisbit != lastbit) { 1661 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1662 } else { 1663 EMIT; 1664 } 1665 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1666 lastbit = thisbit; 1667 } 1668 csr ^= SROMCLKOFF; EMIT; 1669 1670 for (data = 0, bits = 0; bits < 16; bits++) { 1671 data <<= 1; 1672 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1673 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1674 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1675 } 1676 sc->tulip_rombuf[idx*2] = data & 0xFF; 1677 sc->tulip_rombuf[idx*2+1] = data >> 8; 1678 csr = SROMSEL | SROMRD; EMIT; 1679 csr = 0; EMIT; 1680 } 1681 tulip_srom_idle(sc); 1682 } 1683 1684 #define MII_EMIT do { \ 1685 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \ 1686 DELAY(1); \ 1687 } while (0) 1688 1689 static void 1690 tulip_mii_writebits(tulip_softc_t *sc, u_int data, u_int bits) 1691 { 1692 u_int csr, msb, lastbit; 1693 1694 msb = 1 << (bits - 1); 1695 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1696 lastbit = (csr & MII_DOUT) ? msb : 0; 1697 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1698 1699 for (; bits > 0; bits--, data <<= 1) { 1700 const unsigned thisbit = data & msb; 1701 if (thisbit != lastbit) { 1702 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1703 } 1704 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1705 lastbit = thisbit; 1706 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1707 } 1708 } 1709 1710 static void 1711 tulip_mii_turnaround(tulip_softc_t *sc, u_int cmd) 1712 { 1713 u_int csr; 1714 1715 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1716 1717 if (cmd == MII_WRCMD) { 1718 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1719 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1720 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1721 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1722 } else { 1723 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1724 } 1725 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1726 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1727 } 1728 1729 static u_int 1730 tulip_mii_readbits(tulip_softc_t *sc) 1731 { 1732 u_int csr, data, idx; 1733 1734 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1735 1736 for (idx = 0, data = 0; idx < 16; idx++) { 1737 data <<= 1; /* this is NOOP on the first pass through */ 1738 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1739 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1740 data |= 1; 1741 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1742 } 1743 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1744 1745 return data; 1746 } 1747 1748 static u_int 1749 tulip_mii_readreg(tulip_softc_t *sc, u_int devaddr, u_int regno) 1750 { 1751 u_int csr; 1752 u_int data; 1753 1754 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1755 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1756 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1757 tulip_mii_writebits(sc, MII_RDCMD, 8); 1758 tulip_mii_writebits(sc, devaddr, 5); 1759 tulip_mii_writebits(sc, regno, 5); 1760 tulip_mii_turnaround(sc, MII_RDCMD); 1761 1762 data = tulip_mii_readbits(sc); 1763 return data; 1764 } 1765 1766 static void 1767 tulip_mii_writereg(tulip_softc_t *sc, u_int devaddr, u_int regno, u_int data) 1768 { 1769 u_int csr; 1770 1771 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1772 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1773 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1774 tulip_mii_writebits(sc, MII_WRCMD, 8); 1775 tulip_mii_writebits(sc, devaddr, 5); 1776 tulip_mii_writebits(sc, regno, 5); 1777 tulip_mii_turnaround(sc, MII_WRCMD); 1778 tulip_mii_writebits(sc, data, 16); 1779 } 1780 1781 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 1782 #define tulip_srom_crcok(databuf) ( \ 1783 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 1784 ((databuf)[126] | ((databuf)[127] << 8))) 1785 1786 static void 1787 tulip_identify_dec_nic(tulip_softc_t *sc) 1788 { 1789 strcpy(sc->tulip_boardid, "DEC "); 1790 #define D0 4 1791 if (sc->tulip_chipid <= TULIP_21040) 1792 return; 1793 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1794 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1795 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1796 sc->tulip_boardid[D0+8] = ' '; 1797 } 1798 #undef D0 1799 } 1800 1801 static void 1802 tulip_identify_znyx_nic(tulip_softc_t * const sc) 1803 { 1804 u_int id = 0; 1805 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 1806 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1807 u_int znyx_ptr; 1808 sc->tulip_boardid[8] = '4'; 1809 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1810 if (znyx_ptr < 26 || znyx_ptr > 116) { 1811 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1812 return; 1813 } 1814 /* ZX344 = 0010 .. 0013FF 1815 */ 1816 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1817 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1818 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1819 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1820 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1821 sc->tulip_boardid[9] = '2'; 1822 if (id == TULIP_ZNYX_ID_ZX342B) { 1823 sc->tulip_boardid[10] = 'B'; 1824 sc->tulip_boardid[11] = ' '; 1825 } 1826 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1827 } else if (id == TULIP_ZNYX_ID_ZX344) { 1828 sc->tulip_boardid[10] = '4'; 1829 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1830 } else if (id == TULIP_ZNYX_ID_ZX345) { 1831 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1832 } else if (id == TULIP_ZNYX_ID_ZX346) { 1833 sc->tulip_boardid[9] = '6'; 1834 } else if (id == TULIP_ZNYX_ID_ZX351) { 1835 sc->tulip_boardid[8] = '5'; 1836 sc->tulip_boardid[9] = '1'; 1837 } 1838 } 1839 if (id == 0) { 1840 /* 1841 * Assume it's a ZX342... 1842 */ 1843 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1844 } 1845 return; 1846 } 1847 sc->tulip_boardid[8] = '1'; 1848 if (sc->tulip_chipid == TULIP_21041) { 1849 sc->tulip_boardid[10] = '1'; 1850 return; 1851 } 1852 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1853 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1854 if (id == TULIP_ZNYX_ID_ZX312T) { 1855 sc->tulip_boardid[9] = '2'; 1856 sc->tulip_boardid[10] = 'T'; 1857 sc->tulip_boardid[11] = ' '; 1858 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1859 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1860 sc->tulip_boardid[9] = '4'; 1861 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1862 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1863 } else if (id == TULIP_ZNYX_ID_ZX314) { 1864 sc->tulip_boardid[9] = '4'; 1865 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1866 sc->tulip_features |= TULIP_HAVE_BASEROM; 1867 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1868 sc->tulip_boardid[9] = '5'; 1869 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1870 } else if (id == TULIP_ZNYX_ID_ZX315) { 1871 sc->tulip_boardid[9] = '5'; 1872 sc->tulip_features |= TULIP_HAVE_BASEROM; 1873 } else { 1874 id = 0; 1875 } 1876 } 1877 if (id == 0) { 1878 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 1879 sc->tulip_boardid[9] = '4'; 1880 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1881 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1882 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 1883 sc->tulip_boardid[9] = '5'; 1884 sc->tulip_boardsw = &tulip_21040_boardsw; 1885 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1886 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 1887 sc->tulip_boardid[9] = '2'; 1888 sc->tulip_boardsw = &tulip_21040_boardsw; 1889 } 1890 } 1891 } 1892 1893 static void 1894 tulip_identify_smc_nic(tulip_softc_t * const sc) 1895 { 1896 uint32_t id1, id2, ei; 1897 int auibnc = 0, utp = 0; 1898 char *cp; 1899 1900 strcpy(sc->tulip_boardid, "SMC "); 1901 if (sc->tulip_chipid == TULIP_21041) 1902 return; 1903 if (sc->tulip_chipid != TULIP_21040) { 1904 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 1905 strcpy(&sc->tulip_boardid[4], "9332DST "); 1906 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 1907 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 1908 strcpy(&sc->tulip_boardid[4], "9334BDT "); 1909 } else { 1910 strcpy(&sc->tulip_boardid[4], "9332BDT "); 1911 } 1912 return; 1913 } 1914 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 1915 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 1916 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 1917 1918 strcpy(&sc->tulip_boardid[4], "8432"); 1919 cp = &sc->tulip_boardid[8]; 1920 if ((id1 & 1) == 0) 1921 *cp++ = 'B', auibnc = 1; 1922 if ((id1 & 0xFF) > 0x32) 1923 *cp++ = 'T', utp = 1; 1924 if ((id1 & 0x4000) == 0) 1925 *cp++ = 'A', auibnc = 1; 1926 if (id2 == 0x15) { 1927 sc->tulip_boardid[7] = '4'; 1928 *cp++ = '-'; 1929 *cp++ = 'C'; 1930 *cp++ = 'H'; 1931 *cp++ = (ei ? '2' : '1'); 1932 } 1933 *cp++ = ' '; 1934 *cp = '\0'; 1935 if (utp && !auibnc) 1936 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1937 else if (!utp && auibnc) 1938 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 1939 } 1940 1941 static void 1942 tulip_identify_cogent_nic(tulip_softc_t * const sc) 1943 { 1944 strcpy(sc->tulip_boardid, "Cogent "); 1945 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1946 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 1947 strcat(sc->tulip_boardid, "EM100TX "); 1948 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1949 #if defined(TULIP_COGENT_EM110TX_ID) 1950 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 1951 strcat(sc->tulip_boardid, "EM110TX "); 1952 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1953 #endif 1954 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1955 strcat(sc->tulip_boardid, "EM100FX "); 1956 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 1957 } 1958 /* 1959 * Magic number (0x24001109U) is the SubVendor (0x2400) and 1960 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 1961 */ 1962 if (*(uint32_t *) sc->tulip_rombuf == 0x24001109U 1963 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 1964 /* 1965 * Cogent (Adaptec) is still mapping all INTs to INTA of 1966 * first 21140. Dumb! Dumb! 1967 */ 1968 strcat(sc->tulip_boardid, "EM440TX "); 1969 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 1970 } 1971 } else if (sc->tulip_chipid == TULIP_21040) { 1972 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1973 } 1974 } 1975 1976 static void 1977 tulip_identify_accton_nic(tulip_softc_t * const sc) 1978 { 1979 strcpy(sc->tulip_boardid, "ACCTON "); 1980 switch (sc->tulip_chipid) { 1981 case TULIP_21140A: 1982 strcat(sc->tulip_boardid, "EN1207 "); 1983 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1984 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 1985 break; 1986 case TULIP_21140: 1987 strcat(sc->tulip_boardid, "EN1207TX "); 1988 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 1989 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 1990 break; 1991 case TULIP_21040: 1992 strcat(sc->tulip_boardid, "EN1203 "); 1993 sc->tulip_boardsw = &tulip_21040_boardsw; 1994 break; 1995 case TULIP_21041: 1996 strcat(sc->tulip_boardid, "EN1203 "); 1997 sc->tulip_boardsw = &tulip_21041_boardsw; 1998 break; 1999 default: 2000 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2001 break; 2002 } 2003 } 2004 2005 static void 2006 tulip_identify_asante_nic(tulip_softc_t * const sc) 2007 { 2008 strcpy(sc->tulip_boardid, "Asante "); 2009 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2010 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2011 tulip_media_info_t *mi = sc->tulip_mediainfo; 2012 int idx; 2013 /* 2014 * The Asante Fast Ethernet doesn't always ship with a valid 2015 * new format SROM. So if isn't in the new format, we cheat 2016 * set it up as if we had. 2017 */ 2018 2019 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2020 sc->tulip_gpdata = 0; 2021 2022 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2023 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2024 DELAY(100); 2025 TULIP_CSR_WRITE(sc, csr_gp, 0); 2026 2027 mi->mi_type = TULIP_MEDIAINFO_MII; 2028 mi->mi_gpr_length = 0; 2029 mi->mi_gpr_offset = 0; 2030 mi->mi_reset_length = 0; 2031 mi->mi_reset_offset = 0; 2032 2033 mi->mi_phyaddr = TULIP_MII_NOPHY; 2034 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2035 DELAY(10000); 2036 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2037 } 2038 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2039 if_printf(&sc->tulip_if, "can't find phy 0\n"); 2040 return; 2041 } 2042 2043 sc->tulip_features |= TULIP_HAVE_MII; 2044 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2045 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2046 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2047 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2048 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2049 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2050 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2051 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2052 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2053 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2054 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2055 2056 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2057 } 2058 } 2059 2060 static void 2061 tulip_identify_compex_nic(tulip_softc_t *sc) 2062 { 2063 strcpy(sc->tulip_boardid, "COMPEX "); 2064 if (sc->tulip_chipid == TULIP_21140A) { 2065 int root_unit; 2066 tulip_softc_t *root_sc = NULL; 2067 2068 strcat(sc->tulip_boardid, "400TX/PCI "); 2069 /* 2070 * All 4 chips on these boards share an interrupt. This code 2071 * copied from tulip_read_macaddr. 2072 */ 2073 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2074 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) { 2075 root_sc = tulips[root_unit]; 2076 if (root_sc == NULL 2077 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2078 break; 2079 root_sc = NULL; 2080 } 2081 if (root_sc != NULL 2082 && root_sc->tulip_chipid == sc->tulip_chipid 2083 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2084 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2085 sc->tulip_slaves = root_sc->tulip_slaves; 2086 root_sc->tulip_slaves = sc; 2087 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2088 if_printf(&sc->tulip_if, "can't find master device for interrupts"); 2089 } 2090 } else { 2091 strcat(sc->tulip_boardid, "unknown "); 2092 } 2093 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2094 return; 2095 } 2096 2097 static int 2098 tulip_srom_decode(tulip_softc_t *sc) 2099 { 2100 u_int idx1, idx2, idx3; 2101 2102 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2103 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2104 tulip_srom_media_t srom_media; 2105 tulip_media_info_t *mi = sc->tulip_mediainfo; 2106 const uint8_t *dp; 2107 uint32_t leaf_offset, blocks, data; 2108 2109 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2110 if (shp->sh_adapter_count == 1) 2111 break; 2112 if (saip->sai_device == sc->tulip_pci_devno) 2113 break; 2114 } 2115 /* 2116 * Didn't find the right media block for this card. 2117 */ 2118 if (idx1 == shp->sh_adapter_count) 2119 return 0; 2120 2121 /* 2122 * Save the hardware address. 2123 */ 2124 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2125 /* 2126 * If this is a multiple port card, add the adapter index to the last 2127 * byte of the hardware address. (if it isn't multiport, adding 0 2128 * won't hurt. 2129 */ 2130 sc->tulip_enaddr[5] += idx1; 2131 2132 leaf_offset = saip->sai_leaf_offset_lowbyte 2133 + saip->sai_leaf_offset_highbyte * 256; 2134 dp = sc->tulip_rombuf + leaf_offset; 2135 2136 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2137 2138 for (idx2 = 0;; idx2++) { 2139 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2140 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2141 break; 2142 } 2143 sc->tulip_connidx = idx2; 2144 2145 if (sc->tulip_chipid == TULIP_21041) { 2146 blocks = *dp++; 2147 for (idx2 = 0; idx2 < blocks; idx2++) { 2148 tulip_media_t media; 2149 data = *dp++; 2150 srom_media = (tulip_srom_media_t) (data & 0x3F); 2151 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2152 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2153 break; 2154 } 2155 media = tulip_srom_mediums[idx3].sm_type; 2156 if (media != TULIP_MEDIA_UNKNOWN) { 2157 if (data & TULIP_SROM_21041_EXTENDED) { 2158 mi->mi_type = TULIP_MEDIAINFO_SIA; 2159 sc->tulip_mediums[media] = mi; 2160 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2161 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2162 mi->mi_sia_general = dp[4] + dp[5] * 256; 2163 mi++; 2164 } else { 2165 switch (media) { 2166 case TULIP_MEDIA_BNC: { 2167 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2168 mi++; 2169 break; 2170 } 2171 case TULIP_MEDIA_AUI: { 2172 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2173 mi++; 2174 break; 2175 } 2176 case TULIP_MEDIA_10BASET: { 2177 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2178 mi++; 2179 break; 2180 } 2181 case TULIP_MEDIA_10BASET_FD: { 2182 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2183 mi++; 2184 break; 2185 } 2186 default: { 2187 break; 2188 } 2189 } 2190 } 2191 } 2192 if (data & TULIP_SROM_21041_EXTENDED) 2193 dp += 6; 2194 } 2195 #ifdef notdef 2196 if (blocks == 0) { 2197 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2198 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2199 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2200 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2201 } 2202 #endif 2203 } else { 2204 unsigned length, type; 2205 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2206 if (sc->tulip_features & TULIP_HAVE_GPR) 2207 sc->tulip_gpinit = *dp++; 2208 blocks = *dp++; 2209 for (idx2 = 0; idx2 < blocks; idx2++) { 2210 const uint8_t *ep; 2211 if ((*dp & 0x80) == 0) { 2212 length = 4; 2213 type = 0; 2214 } else { 2215 length = (*dp++ & 0x7f) - 1; 2216 type = *dp++ & 0x3f; 2217 } 2218 ep = dp + length; 2219 switch (type & 0x3f) { 2220 case 0: { /* 21140[A] GPR block */ 2221 tulip_media_t media; 2222 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2223 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2224 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2225 break; 2226 } 2227 media = tulip_srom_mediums[idx3].sm_type; 2228 if (media == TULIP_MEDIA_UNKNOWN) 2229 break; 2230 mi->mi_type = TULIP_MEDIAINFO_GPR; 2231 sc->tulip_mediums[media] = mi; 2232 mi->mi_gpdata = dp[1]; 2233 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2234 sc->tulip_gpdata = mi->mi_gpdata; 2235 gp_media = media; 2236 } 2237 data = dp[2] + dp[3] * 256; 2238 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2239 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2240 mi->mi_actmask = 0; 2241 } else { 2242 #if 0 2243 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2244 #endif 2245 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2246 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2247 } 2248 mi++; 2249 break; 2250 } 2251 case 1: { /* 21140[A] MII block */ 2252 const u_int phyno = *dp++; 2253 mi->mi_type = TULIP_MEDIAINFO_MII; 2254 mi->mi_gpr_length = *dp++; 2255 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2256 dp += mi->mi_gpr_length; 2257 mi->mi_reset_length = *dp++; 2258 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2259 dp += mi->mi_reset_length; 2260 2261 /* 2262 * Before we probe for a PHY, use the GPR information 2263 * to select it. If we don't, it may be inaccessible. 2264 */ 2265 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2266 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2267 DELAY(10); 2268 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2269 } 2270 sc->tulip_phyaddr = mi->mi_phyaddr; 2271 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2272 DELAY(10); 2273 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2274 } 2275 2276 /* 2277 * At least write something! 2278 */ 2279 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2280 TULIP_CSR_WRITE(sc, csr_gp, 0); 2281 2282 mi->mi_phyaddr = TULIP_MII_NOPHY; 2283 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2284 DELAY(10000); 2285 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2286 } 2287 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2288 break; 2289 sc->tulip_features |= TULIP_HAVE_MII; 2290 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2291 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2292 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2293 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2294 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2295 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2296 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2297 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2298 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2299 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2300 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2301 mi++; 2302 break; 2303 } 2304 case 2: { /* 2114[23] SIA block */ 2305 tulip_media_t media; 2306 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2307 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2308 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2309 break; 2310 } 2311 media = tulip_srom_mediums[idx3].sm_type; 2312 if (media == TULIP_MEDIA_UNKNOWN) 2313 break; 2314 mi->mi_type = TULIP_MEDIAINFO_SIA; 2315 sc->tulip_mediums[media] = mi; 2316 if (dp[0] & 0x40) { 2317 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2318 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2319 mi->mi_sia_general = dp[5] + dp[6] * 256; 2320 dp += 6; 2321 } else { 2322 switch (media) { 2323 case TULIP_MEDIA_BNC: { 2324 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2325 break; 2326 } 2327 case TULIP_MEDIA_AUI: { 2328 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2329 break; 2330 } 2331 case TULIP_MEDIA_10BASET: { 2332 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2333 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2334 break; 2335 } 2336 case TULIP_MEDIA_10BASET_FD: { 2337 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2338 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2339 break; 2340 } 2341 default: { 2342 goto bad_media; 2343 } 2344 } 2345 } 2346 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2347 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2348 mi++; 2349 bad_media: 2350 break; 2351 } 2352 case 3: { /* 2114[23] MII PHY block */ 2353 const u_int phyno = *dp++; 2354 const uint8_t *dp0; 2355 mi->mi_type = TULIP_MEDIAINFO_MII; 2356 mi->mi_gpr_length = *dp++; 2357 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2358 dp += 2 * mi->mi_gpr_length; 2359 mi->mi_reset_length = *dp++; 2360 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2361 dp += 2 * mi->mi_reset_length; 2362 2363 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2364 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2365 DELAY(10); 2366 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2367 } 2368 sc->tulip_phyaddr = mi->mi_phyaddr; 2369 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2370 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2371 DELAY(10); 2372 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2373 } 2374 2375 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2376 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2377 2378 mi->mi_phyaddr = TULIP_MII_NOPHY; 2379 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2380 DELAY(10000); 2381 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2382 } 2383 if (mi->mi_phyaddr == TULIP_MII_NOPHY) 2384 break; 2385 sc->tulip_features |= TULIP_HAVE_MII; 2386 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2387 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2388 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2389 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2390 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2391 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2392 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2393 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2394 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2395 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2396 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2397 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2398 mi++; 2399 break; 2400 } 2401 case 4: { /* 21143 SYM block */ 2402 tulip_media_t media; 2403 srom_media = (tulip_srom_media_t) dp[0]; 2404 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2405 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2406 break; 2407 } 2408 media = tulip_srom_mediums[idx3].sm_type; 2409 if (media == TULIP_MEDIA_UNKNOWN) 2410 break; 2411 mi->mi_type = TULIP_MEDIAINFO_SYM; 2412 sc->tulip_mediums[media] = mi; 2413 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2414 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2415 data = dp[5] + dp[6] * 256; 2416 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2417 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2418 mi->mi_actmask = 0; 2419 } else { 2420 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2421 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2422 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2423 } 2424 if (TULIP_IS_MEDIA_TP(media)) 2425 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2426 mi++; 2427 break; 2428 } 2429 #if 0 2430 case 5: { /* 21143 Reset block */ 2431 mi->mi_type = TULIP_MEDIAINFO_RESET; 2432 mi->mi_reset_length = *dp++; 2433 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2434 dp += 2 * mi->mi_reset_length; 2435 mi++; 2436 break; 2437 } 2438 #endif 2439 default: { 2440 } 2441 } 2442 dp = ep; 2443 } 2444 } 2445 return mi - sc->tulip_mediainfo; 2446 } 2447 2448 static const struct { 2449 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2450 unsigned char vendor_oui[3]; 2451 } tulip_vendors[] = { 2452 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2453 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2454 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2455 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2456 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2457 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2458 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2459 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2460 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2461 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2462 { NULL } 2463 }; 2464 2465 /* 2466 * This deals with the vagaries of the address roms and the 2467 * brain-deadness that various vendors commit in using them. 2468 */ 2469 static int 2470 tulip_read_macaddr(tulip_softc_t *sc) 2471 { 2472 u_int cksum, rom_cksum, idx; 2473 uint32_t csr; 2474 unsigned char tmpbuf[8]; 2475 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2476 2477 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2478 2479 if (sc->tulip_chipid == TULIP_21040) { 2480 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2481 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2482 int cnt = 0; 2483 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2484 cnt++; 2485 sc->tulip_rombuf[idx] = csr & 0xFF; 2486 } 2487 sc->tulip_boardsw = &tulip_21040_boardsw; 2488 } else { 2489 if (sc->tulip_chipid == TULIP_21041) { 2490 /* 2491 * Thankfully all 21041's act the same. 2492 */ 2493 sc->tulip_boardsw = &tulip_21041_boardsw; 2494 } else { 2495 /* 2496 * Assume all 21140 board are compatible with the 2497 * DEC 10/100 evaluation board. Not really valid but 2498 * it's the best we can do until every one switches to 2499 * the new SROM format. 2500 */ 2501 2502 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2503 } 2504 tulip_srom_read(sc); 2505 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2506 /* 2507 * SROM CRC is valid therefore it must be in the 2508 * new format. 2509 */ 2510 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2511 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2512 /* 2513 * No checksum is present. See if the SROM id checks out; 2514 * the first 18 bytes should be 0 followed by a 1 followed 2515 * by the number of adapters (which we don't deal with yet). 2516 */ 2517 for (idx = 0; idx < 18; idx++) { 2518 if (sc->tulip_rombuf[idx] != 0) 2519 break; 2520 } 2521 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2522 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2523 } else if (sc->tulip_chipid >= TULIP_21142) { 2524 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2525 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2526 } 2527 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2528 if (sc->tulip_chipid != TULIP_21041) 2529 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2530 2531 /* 2532 * If the SROM specifies more than one adapter, tag this as a 2533 * BASE rom. 2534 */ 2535 if (sc->tulip_rombuf[19] > 1) 2536 sc->tulip_features |= TULIP_HAVE_BASEROM; 2537 if (sc->tulip_boardsw == NULL) 2538 return -6; 2539 goto check_oui; 2540 } 2541 } 2542 2543 2544 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2545 /* 2546 * Some folks don't use the standard ethernet rom format 2547 * but instead just put the address in the first 6 bytes 2548 * of the rom and let the rest be all 0xffs. (Can we say 2549 * ZNYX?) (well sometimes they put in a checksum so we'll 2550 * start at 8). 2551 */ 2552 for (idx = 8; idx < 32; idx++) { 2553 if (sc->tulip_rombuf[idx] != 0xFF) 2554 return -4; 2555 } 2556 /* 2557 * Make sure the address is not multicast or locally assigned 2558 * that the OUI is not 00-00-00. 2559 */ 2560 if ((sc->tulip_rombuf[0] & 3) != 0) 2561 return -4; 2562 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2563 && sc->tulip_rombuf[2] == 0) 2564 return -4; 2565 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2566 sc->tulip_features |= TULIP_HAVE_OKROM; 2567 goto check_oui; 2568 } else { 2569 /* 2570 * A number of makers of multiport boards (ZNYX and Cogent) 2571 * only put on one address ROM on their 21040 boards. So 2572 * if the ROM is all zeros (or all 0xFFs), look at the 2573 * previous configured boards (as long as they are on the same 2574 * PCI bus and the bus number is non-zero) until we find the 2575 * master board with address ROM. We then use its address ROM 2576 * as the base for this board. (we add our relative board 2577 * to the last byte of its address). 2578 */ 2579 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2580 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2581 break; 2582 } 2583 if (idx == sizeof(sc->tulip_rombuf)) { 2584 int root_unit; 2585 tulip_softc_t *root_sc = NULL; 2586 for (root_unit = device_get_unit(sc->tulip_dev) - 1; root_unit >= 0; root_unit--) { 2587 root_sc = tulips[root_unit]; 2588 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2589 break; 2590 root_sc = NULL; 2591 } 2592 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2593 && root_sc->tulip_chipid == sc->tulip_chipid 2594 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2595 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2596 sc->tulip_boardsw = root_sc->tulip_boardsw; 2597 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2598 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2599 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2600 sizeof(sc->tulip_rombuf)); 2601 if (!tulip_srom_decode(sc)) 2602 return -5; 2603 } else { 2604 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2605 sc->tulip_enaddr[5] += device_get_unit(sc->tulip_dev) - device_get_unit(root_sc->tulip_dev); 2606 } 2607 /* 2608 * Now for a truly disgusting kludge: all 4 21040s on 2609 * the ZX314 share the same INTA line so the mapping 2610 * setup by the BIOS on the PCI bridge is worthless. 2611 * Rather than reprogramming the value in the config 2612 * register, we will handle this internally. 2613 */ 2614 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2615 sc->tulip_slaves = root_sc->tulip_slaves; 2616 root_sc->tulip_slaves = sc; 2617 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2618 } 2619 return 0; 2620 } 2621 } 2622 } 2623 2624 /* 2625 * This is the standard DEC address ROM test. 2626 */ 2627 2628 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2629 return -3; 2630 2631 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2632 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2633 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2634 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2635 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2636 return -2; 2637 2638 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2639 2640 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2641 cksum *= 2; 2642 if (cksum > 65535) cksum -= 65535; 2643 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2644 if (cksum > 65535) cksum -= 65535; 2645 cksum *= 2; 2646 if (cksum > 65535) cksum -= 65535; 2647 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2648 if (cksum >= 65535) cksum -= 65535; 2649 2650 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2651 2652 if (cksum != rom_cksum) 2653 return -1; 2654 2655 check_oui: 2656 /* 2657 * Check for various boards based on OUI. Did I say braindead? 2658 */ 2659 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2660 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2661 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2662 break; 2663 } 2664 } 2665 2666 sc->tulip_features |= TULIP_HAVE_OKROM; 2667 return 0; 2668 } 2669 2670 static void 2671 tulip_ifmedia_add(tulip_softc_t * const sc) 2672 { 2673 tulip_media_t media; 2674 int medias = 0; 2675 2676 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2677 if (sc->tulip_mediums[media] != NULL) { 2678 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2679 0, 0); 2680 medias++; 2681 } 2682 } 2683 if (medias == 0) { 2684 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2685 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2686 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2687 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2688 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2689 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2690 } else { 2691 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2692 sc->tulip_flags |= TULIP_PRINTMEDIA; 2693 tulip_linkup(sc, sc->tulip_media); 2694 } 2695 } 2696 2697 static int 2698 tulip_ifmedia_change(struct ifnet *ifp) 2699 { 2700 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2701 2702 sc->tulip_flags |= TULIP_NEEDRESET; 2703 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2704 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2705 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2706 tulip_media_t media; 2707 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2708 if (sc->tulip_mediums[media] != NULL 2709 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2710 sc->tulip_flags |= TULIP_PRINTMEDIA; 2711 sc->tulip_flags &= ~TULIP_DIDNWAY; 2712 tulip_linkup(sc, media); 2713 return 0; 2714 } 2715 } 2716 } 2717 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2718 tulip_reset(sc); 2719 tulip_init(sc); 2720 return 0; 2721 } 2722 2723 /* 2724 * Media status callback 2725 */ 2726 static void 2727 tulip_ifmedia_status(struct ifnet *ifp, struct ifmediareq *req) 2728 { 2729 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2730 2731 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2732 return; 2733 2734 req->ifm_status = IFM_AVALID; 2735 if (sc->tulip_flags & TULIP_LINKUP) 2736 req->ifm_status |= IFM_ACTIVE; 2737 2738 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2739 } 2740 2741 static void 2742 tulip_addr_filter(tulip_softc_t *sc) 2743 { 2744 struct ifmultiaddr *ifma; 2745 u_char *addrp; 2746 int multicnt; 2747 2748 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2749 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2750 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2751 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2752 #if defined(IFF_ALLMULTI) 2753 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 2754 sc->tulip_flags |= TULIP_ALLMULTI ; 2755 #endif 2756 2757 multicnt = 0; 2758 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2759 if (ifma->ifma_addr->sa_family == AF_LINK) 2760 multicnt++; 2761 } 2762 2763 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 2764 if (multicnt > 14) { 2765 uint32_t *sp = sc->tulip_setupdata; 2766 u_int hash; 2767 /* 2768 * Some early passes of the 21140 have broken implementations of 2769 * hash-perfect mode. When we get too many multicasts for perfect 2770 * filtering with these chips, we need to switch into hash-only 2771 * mode (this is better than all-multicast on network with lots 2772 * of multicast traffic). 2773 */ 2774 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2775 sc->tulip_flags |= TULIP_WANTHASHONLY; 2776 else 2777 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2778 /* 2779 * If we have more than 14 multicasts, we have 2780 * go into hash perfect mode (512 bit multicast 2781 * hash and one perfect hardware). 2782 */ 2783 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2784 2785 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2786 if (ifma->ifma_addr->sa_family != AF_LINK) 2787 continue; 2788 2789 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 2790 #if BYTE_ORDER == BIG_ENDIAN 2791 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2792 #else 2793 sp[hash >> 4] |= 1 << (hash & 0xF); 2794 #endif 2795 } 2796 /* 2797 * No reason to use a hash if we are going to be 2798 * receiving every multicast. 2799 */ 2800 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2801 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr); 2802 #if BYTE_ORDER == BIG_ENDIAN 2803 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2804 #else 2805 sp[hash >> 4] |= 1 << (hash & 0xF); 2806 #endif 2807 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2808 hash = tulip_mchash(sc->tulip_enaddr); 2809 #if BYTE_ORDER == BIG_ENDIAN 2810 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 2811 #else 2812 sp[hash >> 4] |= 1 << (hash & 0xF); 2813 #endif 2814 } else { 2815 #if BYTE_ORDER == BIG_ENDIAN 2816 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2817 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2818 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2819 #else 2820 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2821 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2822 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2823 #endif 2824 } 2825 } 2826 } 2827 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2828 uint32_t *sp = sc->tulip_setupdata; 2829 int idx = 0; 2830 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2831 /* 2832 * Else can get perfect filtering for 16 addresses. 2833 */ 2834 LIST_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 2835 if (ifma->ifma_addr->sa_family != AF_LINK) 2836 continue; 2837 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 2838 #if BYTE_ORDER == BIG_ENDIAN 2839 *sp++ = ((u_int16_t *) addrp)[0] << 16; 2840 *sp++ = ((u_int16_t *) addrp)[1] << 16; 2841 *sp++ = ((u_int16_t *) addrp)[2] << 16; 2842 #else 2843 *sp++ = ((u_int16_t *) addrp)[0]; 2844 *sp++ = ((u_int16_t *) addrp)[1]; 2845 *sp++ = ((u_int16_t *) addrp)[2]; 2846 #endif 2847 idx++; 2848 } 2849 /* 2850 * Add the broadcast address. 2851 */ 2852 idx++; 2853 #if BYTE_ORDER == BIG_ENDIAN 2854 *sp++ = 0xFFFF << 16; 2855 *sp++ = 0xFFFF << 16; 2856 *sp++ = 0xFFFF << 16; 2857 #else 2858 *sp++ = 0xFFFF; 2859 *sp++ = 0xFFFF; 2860 *sp++ = 0xFFFF; 2861 #endif 2862 } 2863 /* 2864 * Pad the rest with our hardware address 2865 */ 2866 for (; idx < 16; idx++) { 2867 #if BYTE_ORDER == BIG_ENDIAN 2868 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2869 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2870 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2871 #else 2872 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 2873 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 2874 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 2875 #endif 2876 } 2877 } 2878 #if defined(IFF_ALLMULTI) 2879 if (sc->tulip_flags & TULIP_ALLMULTI) 2880 sc->tulip_if.if_flags |= IFF_ALLMULTI; 2881 #endif 2882 } 2883 2884 static void 2885 tulip_reset(tulip_softc_t *sc) 2886 { 2887 tulip_ringinfo_t *ri; 2888 tulip_desc_t *di; 2889 uint32_t inreset = (sc->tulip_flags & TULIP_INRESET); 2890 2891 /* 2892 * Brilliant. Simply brilliant. When switching modes/speeds 2893 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 2894 * bits in CSR6 and then do a software reset to get the 21140 2895 * to properly reset its internal pathways to the right places. 2896 * Grrrr. 2897 */ 2898 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 2899 && sc->tulip_boardsw->bd_media_preset != NULL) 2900 (*sc->tulip_boardsw->bd_media_preset)(sc); 2901 2902 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 2903 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 2904 33MHz that comes to two microseconds but wait a 2905 bit longer anyways) */ 2906 2907 if (!inreset) { 2908 sc->tulip_flags |= TULIP_INRESET; 2909 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 2910 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 2911 sc->tulip_if.if_start = tulip_ifstart; 2912 } 2913 2914 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 2915 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 2916 TULIP_CSR_WRITE(sc, csr_busmode, 2917 (1 << (3 /*pci_max_burst_len*/ + 8)) 2918 |TULIP_BUSMODE_CACHE_ALIGN8 2919 |TULIP_BUSMODE_READMULTIPLE 2920 |(BYTE_ORDER != LITTLE_ENDIAN ? 2921 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 2922 2923 sc->tulip_txtimer = 0; 2924 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 2925 /* 2926 * Free all the mbufs that were on the transmit ring. 2927 */ 2928 IF_DRAIN(&sc->tulip_txq); 2929 2930 ri = &sc->tulip_txinfo; 2931 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2932 ri->ri_free = ri->ri_max; 2933 for (di = ri->ri_first; di < ri->ri_last; di++) 2934 di->d_status = 0; 2935 2936 /* 2937 * We need to collect all the mbufs were on the 2938 * receive ring before we reinit it either to put 2939 * them back on or to know if we have to allocate 2940 * more. 2941 */ 2942 ri = &sc->tulip_rxinfo; 2943 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 2944 ri->ri_free = ri->ri_max; 2945 for (di = ri->ri_first; di < ri->ri_last; di++) { 2946 di->d_status = 0; 2947 di->d_length1 = 0; di->d_addr1 = 0; 2948 di->d_length2 = 0; di->d_addr2 = 0; 2949 } 2950 IF_DRAIN(&sc->tulip_rxq); 2951 2952 /* 2953 * If tulip_reset is being called recurisvely, exit quickly knowing 2954 * that when the outer tulip_reset returns all the right stuff will 2955 * have happened. 2956 */ 2957 if (inreset) 2958 return; 2959 2960 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 2961 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 2962 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 2963 |TULIP_STS_RXSTOPPED; 2964 2965 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 2966 (*sc->tulip_boardsw->bd_media_select)(sc); 2967 tulip_media_print(sc); 2968 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 2969 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 2970 2971 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 2972 |TULIP_RXACT); 2973 tulip_addr_filter(sc); 2974 } 2975 2976 static void 2977 tulip_init(tulip_softc_t * const sc) 2978 { 2979 if (sc->tulip_if.if_flags & IFF_UP) { 2980 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 2981 /* initialize the media */ 2982 tulip_reset(sc); 2983 } 2984 sc->tulip_if.if_flags |= IFF_RUNNING; 2985 if (sc->tulip_if.if_flags & IFF_PROMISC) { 2986 sc->tulip_flags |= TULIP_PROMISC; 2987 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 2988 sc->tulip_intrmask |= TULIP_STS_TXINTR; 2989 } else { 2990 sc->tulip_flags &= ~TULIP_PROMISC; 2991 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 2992 if (sc->tulip_flags & TULIP_ALLMULTI) { 2993 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 2994 } else { 2995 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 2996 } 2997 } 2998 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 2999 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3000 tulip_rx_intr(sc); 3001 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3002 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3003 } else { 3004 sc->tulip_if.if_flags |= IFF_OACTIVE; 3005 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3006 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3007 } 3008 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3009 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3010 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3011 tulip_txput_setup(sc); 3012 } else { 3013 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3014 tulip_reset(sc); 3015 } 3016 } 3017 3018 static void 3019 tulip_rx_intr(tulip_softc_t *sc) 3020 { 3021 tulip_ringinfo_t *ri = &sc->tulip_rxinfo; 3022 struct ifnet *ifp = &sc->tulip_if; 3023 int fillok = 1; 3024 3025 for (;;) { 3026 tulip_desc_t *eop = ri->ri_nextin; 3027 int total_len = 0, last_offset = 0; 3028 struct mbuf *ms = NULL, *me = NULL; 3029 int accept = 0; 3030 3031 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3032 goto queue_mbuf; 3033 3034 /* 3035 * If the TULIP has no descriptors, there can't be any receive 3036 * descriptors to process. 3037 */ 3038 if (eop == ri->ri_nextout) 3039 break; 3040 3041 /* 3042 * 90% of the packets will fit in one descriptor. So we optimize 3043 * for that case. 3044 */ 3045 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3046 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3047 IF_DEQUEUE(&sc->tulip_rxq, ms); 3048 me = ms; 3049 } else { 3050 /* 3051 * If still owned by the TULIP, don't touch it. 3052 */ 3053 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3054 break; 3055 3056 /* 3057 * It is possible (though improbable unless the BIG_PACKET support 3058 * is enabled or MCLBYTES < 1518) for a received packet to cross 3059 * more than one receive descriptor. 3060 */ 3061 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3062 if (++eop == ri->ri_last) 3063 eop = ri->ri_first; 3064 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3065 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3066 return; 3067 } 3068 total_len++; 3069 } 3070 3071 /* 3072 * Dequeue the first buffer for the start of the packet. Hopefully 3073 * this will be the only one we need to dequeue. However, if the 3074 * packet consumed multiple descriptors, then we need to dequeue 3075 * those buffers and chain to the starting mbuf. All buffers but 3076 * the last buffer have the same length so we can set that now. 3077 * (we add to last_offset instead of multiplying since we normally 3078 * won't go into the loop and thereby saving a ourselves from 3079 * doing a multiplication by 0 in the normal case). 3080 */ 3081 IF_DEQUEUE(&sc->tulip_rxq, ms); 3082 for (me = ms; total_len > 0; total_len--) { 3083 me->m_len = TULIP_RX_BUFLEN; 3084 last_offset += TULIP_RX_BUFLEN; 3085 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3086 me = me->m_next; 3087 } 3088 } 3089 3090 /* 3091 * Now get the size of received packet (minus the CRC). 3092 */ 3093 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3094 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3095 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3096 #ifdef BIG_PACKET 3097 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3098 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3099 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3100 TULIP_DSTS_RxOVERFLOW)) == 0) 3101 #endif 3102 )) { 3103 me->m_len = total_len - last_offset; 3104 3105 sc->tulip_flags |= TULIP_RXACT; 3106 accept = 1; 3107 } else { 3108 ifp->if_ierrors++; 3109 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3110 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3111 } else { 3112 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3113 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3114 } 3115 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3116 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3117 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3118 } else { 3119 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3120 } 3121 } 3122 } 3123 } 3124 ifp->if_ipackets++; 3125 if (++eop == ri->ri_last) 3126 eop = ri->ri_first; 3127 ri->ri_nextin = eop; 3128 queue_mbuf: 3129 /* 3130 * Either we are priming the TULIP with mbufs (m == NULL) 3131 * or we are about to accept an mbuf for the upper layers 3132 * so we need to allocate an mbuf to replace it. If we 3133 * can't replace it, send up it anyways. This may cause 3134 * us to drop packets in the future but that's better than 3135 * being caught in livelock. 3136 * 3137 * Note that if this packet crossed multiple descriptors 3138 * we don't even try to reallocate all the mbufs here. 3139 * Instead we rely on the test of the beginning of 3140 * the loop to refill for the extra consumed mbufs. 3141 */ 3142 if (accept || ms == NULL) { 3143 struct mbuf *m0; 3144 3145 #if defined(TULIP_COPY_RXDATA) 3146 if (!accept || total_len >= (MHLEN - 2)) 3147 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR); 3148 else 3149 m0 = m_gethdr(MB_DONTWAIT, MT_DATA); 3150 #else 3151 m0 = m_getcl(MB_DONTWAIT, MT_DATA, M_PKTHDR); 3152 #endif 3153 3154 if (accept 3155 #if defined(TULIP_COPY_RXDATA) 3156 && m0 != NULL 3157 #endif 3158 ) { 3159 #if !defined(TULIP_COPY_RXDATA) 3160 ms->m_pkthdr.len = total_len; 3161 ifp->if_input(ifp, ms); 3162 #else 3163 #ifdef BIG_PACKET 3164 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3165 #endif 3166 m0->m_data += 2; /* align data after header */ 3167 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3168 m0->m_len = m0->m_pkthdr.len = total_len; 3169 m0->m_pkthdr.rcvif = ifp; 3170 ifp->if_input(ifp, m0); 3171 m0 = ms; 3172 #endif /* ! TULIP_COPY_RXDATA */ 3173 } 3174 ms = m0; 3175 } 3176 if (ms == NULL) { 3177 /* 3178 * Couldn't allocate a new buffer. Don't bother 3179 * trying to replenish the receive queue. 3180 */ 3181 fillok = 0; 3182 sc->tulip_flags |= TULIP_RXBUFSLOW; 3183 continue; 3184 } 3185 /* 3186 * Now give the buffer(s) to the TULIP and save in our 3187 * receive queue. 3188 */ 3189 do { 3190 tulip_desc_t * const nextout = ri->ri_nextout; 3191 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3192 nextout->d_length1 = TULIP_RX_BUFLEN; 3193 nextout->d_status = TULIP_DSTS_OWNER; 3194 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3195 if (++ri->ri_nextout == ri->ri_last) 3196 ri->ri_nextout = ri->ri_first; 3197 me = ms->m_next; 3198 ms->m_next = NULL; 3199 IF_ENQUEUE(&sc->tulip_rxq, ms); 3200 } while ((ms = me) != NULL); 3201 3202 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3203 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3204 } 3205 } 3206 3207 static int 3208 tulip_tx_intr(tulip_softc_t *sc) 3209 { 3210 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3211 struct mbuf *m; 3212 int xmits = 0; 3213 int descs = 0; 3214 3215 while (ri->ri_free < ri->ri_max) { 3216 uint32_t d_flag; 3217 3218 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3219 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3220 break; 3221 3222 ri->ri_free++; 3223 descs++; 3224 d_flag = ri->ri_nextin->d_flag; 3225 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3226 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3227 /* 3228 * We've just finished processing a setup packet. 3229 * Mark that we finished it. If there's not 3230 * another pending, startup the TULIP receiver. 3231 * Make sure we ack the RXSTOPPED so we won't get 3232 * an abormal interrupt indication. 3233 */ 3234 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3235 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3236 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3237 sc->tulip_flags |= TULIP_HASHONLY; 3238 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3239 tulip_rx_intr(sc); 3240 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3241 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3242 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3243 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3244 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3245 } 3246 } else { 3247 const uint32_t d_status = ri->ri_nextin->d_status; 3248 IF_DEQUEUE(&sc->tulip_txq, m); 3249 if (m != NULL) { 3250 m_freem(m); 3251 } 3252 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3253 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3254 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3255 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3256 } 3257 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3258 /* 3259 * Escape from the loop before media poll has reset the TULIP! 3260 */ 3261 break; 3262 } else { 3263 xmits++; 3264 if (d_status & TULIP_DSTS_ERRSUM) { 3265 sc->tulip_if.if_oerrors++; 3266 if (d_status & TULIP_DSTS_TxEXCCOLL) 3267 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3268 if (d_status & TULIP_DSTS_TxLATECOLL) 3269 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3270 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3271 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3272 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3273 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3274 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3275 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3276 if (d_status & TULIP_DSTS_TxBABBLE) 3277 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3278 } else { 3279 u_int32_t collisions = 3280 (d_status & TULIP_DSTS_TxCOLLMASK) 3281 >> TULIP_DSTS_V_TxCOLLCNT; 3282 sc->tulip_if.if_collisions += collisions; 3283 if (collisions == 1) 3284 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3285 else if (collisions > 1) 3286 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3287 else if (d_status & TULIP_DSTS_TxDEFERRED) 3288 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3289 /* 3290 * SQE is only valid for 10baseT/BNC/AUI when not 3291 * running in full-duplex. In order to speed up the 3292 * test, the corresponding bit in tulip_flags needs to 3293 * set as well to get us to count SQE Test Errors. 3294 */ 3295 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3296 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3297 } 3298 } 3299 } 3300 } 3301 3302 if (++ri->ri_nextin == ri->ri_last) 3303 ri->ri_nextin = ri->ri_first; 3304 3305 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3306 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3307 } 3308 /* 3309 * If nothing left to transmit, disable the timer. 3310 * Else if progress, reset the timer back to 2 ticks. 3311 */ 3312 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3313 sc->tulip_txtimer = 0; 3314 else if (xmits > 0) 3315 sc->tulip_txtimer = TULIP_TXTIMER; 3316 sc->tulip_if.if_opackets += xmits; 3317 return descs; 3318 } 3319 3320 static void 3321 tulip_print_abnormal_interrupt(tulip_softc_t *sc, uint32_t csr) 3322 { 3323 const char * const *msgp = tulip_status_bits; 3324 const char *sep; 3325 uint32_t mask; 3326 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3327 3328 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3329 if_printf(&sc->tulip_if, "abnormal interrupt:"); 3330 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3331 if ((csr & mask) && *msgp != NULL) { 3332 kprintf("%s%s", sep, *msgp); 3333 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3334 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3335 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3336 kprintf(" (switching to store-and-forward mode)"); 3337 } else { 3338 kprintf(" (raising TX threshold to %s)", 3339 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3340 } 3341 } 3342 sep = ", "; 3343 } 3344 } 3345 kprintf("\n"); 3346 } 3347 3348 static void 3349 tulip_intr_handler(tulip_softc_t *sc) 3350 { 3351 uint32_t csr; 3352 3353 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3354 TULIP_CSR_WRITE(sc, csr_status, csr); 3355 3356 if (csr & TULIP_STS_SYSERROR) { 3357 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3358 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3359 sc->tulip_flags |= TULIP_SYSTEMERROR; 3360 } else { 3361 if_printf(&sc->tulip_if, "system error: %s\n", 3362 tulip_system_errors[sc->tulip_last_system_error]); 3363 } 3364 sc->tulip_flags |= TULIP_NEEDRESET; 3365 sc->tulip_system_errors++; 3366 break; 3367 } 3368 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3369 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3370 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3371 ? TULIP_MEDIAPOLL_LINKFAIL 3372 : TULIP_MEDIAPOLL_LINKPASS); 3373 csr &= ~TULIP_STS_ABNRMLINTR; 3374 } 3375 tulip_media_print(sc); 3376 } 3377 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3378 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3379 if (csr & TULIP_STS_RXNOBUF) 3380 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3381 /* 3382 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3383 * on receive overflows. 3384 */ 3385 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3386 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3387 /* 3388 * Stop the receiver process and spin until it's stopped. 3389 * Tell rx_intr to drop the packets it dequeues. 3390 */ 3391 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3392 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3393 ; 3394 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3395 sc->tulip_flags |= TULIP_RXIGNORE; 3396 } 3397 tulip_rx_intr(sc); 3398 if (sc->tulip_flags & TULIP_RXIGNORE) { 3399 /* 3400 * Restart the receiver. 3401 */ 3402 sc->tulip_flags &= ~TULIP_RXIGNORE; 3403 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3404 } 3405 } 3406 if (csr & TULIP_STS_ABNRMLINTR) { 3407 u_int32_t tmp = csr & sc->tulip_intrmask 3408 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3409 if (csr & TULIP_STS_TXUNDERFLOW) { 3410 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3411 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3412 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3413 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3414 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3415 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3416 } 3417 } 3418 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3419 sc->tulip_statusbits |= tmp; 3420 } else { 3421 tulip_print_abnormal_interrupt(sc, tmp); 3422 sc->tulip_flags |= TULIP_NOMESSAGES; 3423 } 3424 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3425 } 3426 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3427 tulip_tx_intr(sc); 3428 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3429 tulip_ifstart(&sc->tulip_if); 3430 } 3431 } 3432 if (sc->tulip_flags & TULIP_NEEDRESET) { 3433 tulip_reset(sc); 3434 tulip_init(sc); 3435 } 3436 } 3437 3438 static void 3439 tulip_intr_shared(void *arg) 3440 { 3441 tulip_softc_t *sc; 3442 3443 for (sc = arg; sc != NULL; sc = sc->tulip_slaves) 3444 tulip_intr_handler(sc); 3445 } 3446 3447 static void 3448 tulip_intr_normal(void *arg) 3449 { 3450 tulip_softc_t *sc = (tulip_softc_t *)arg; 3451 3452 tulip_intr_handler(sc); 3453 } 3454 3455 static struct mbuf * 3456 tulip_txput(tulip_softc_t *sc, struct mbuf *m) 3457 { 3458 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3459 tulip_desc_t *eop, *nextout; 3460 int segcnt, free; 3461 uint32_t d_status; 3462 struct mbuf *m0; 3463 3464 /* 3465 * Now we try to fill in our transmit descriptors. This is 3466 * a bit reminiscent of going on the Ark two by two 3467 * since each descriptor for the TULIP can describe 3468 * two buffers. So we advance through packet filling 3469 * each of the two entries at a time to to fill each 3470 * descriptor. Clear the first and last segment bits 3471 * in each descriptor (actually just clear everything 3472 * but the end-of-ring or chain bits) to make sure 3473 * we don't get messed up by previously sent packets. 3474 * 3475 * We may fail to put the entire packet on the ring if 3476 * there is either not enough ring entries free or if the 3477 * packet has more than MAX_TXSEG segments. In the former 3478 * case we will just wait for the ring to empty. In the 3479 * latter case we have to recopy. 3480 */ 3481 again: 3482 m0 = m; 3483 d_status = 0; 3484 eop = nextout = ri->ri_nextout; 3485 segcnt = 0; 3486 free = ri->ri_free; 3487 3488 do { 3489 int len = m0->m_len; 3490 caddr_t addr = mtod(m0, caddr_t); 3491 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 3492 3493 while (len > 0) { 3494 unsigned slen = min(len, clsize); 3495 #ifdef BIG_PACKET 3496 int partial = 0; 3497 if (slen >= 2048) 3498 slen = 2040, partial = 1; 3499 #endif 3500 segcnt++; 3501 if (segcnt > TULIP_MAX_TXSEG) { 3502 /* 3503 * The packet exceeds the number of transmit buffer 3504 * entries that we can use for one packet, so we have 3505 * recopy it into one mbuf and then try again. 3506 */ 3507 m0 = m_defrag(m, MB_DONTWAIT); 3508 if (m0 == NULL) 3509 goto finish; 3510 m = m0; 3511 goto again; 3512 } 3513 if (segcnt & 1) { 3514 if (--free == 0) { 3515 /* 3516 * See if there's any unclaimed space in the 3517 * transmit ring. 3518 */ 3519 if ((free += tulip_tx_intr(sc)) == 0) { 3520 /* 3521 * There's no more room but since nothing 3522 * has been committed at this point, just 3523 * show output is active, put back the 3524 * mbuf and return. 3525 */ 3526 sc->tulip_flags |= TULIP_WANTTXSTART; 3527 goto finish; 3528 } 3529 } 3530 eop = nextout; 3531 if (++nextout == ri->ri_last) 3532 nextout = ri->ri_first; 3533 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3534 eop->d_status = d_status; 3535 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 3536 eop->d_length1 = slen; 3537 } else { 3538 /* 3539 * Fill in second half of descriptor 3540 */ 3541 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 3542 eop->d_length2 = slen; 3543 } 3544 d_status = TULIP_DSTS_OWNER; 3545 len -= slen; 3546 addr += slen; 3547 #ifdef BIG_PACKET 3548 if (partial) 3549 continue; 3550 #endif 3551 clsize = PAGE_SIZE; 3552 } 3553 } while ((m0 = m0->m_next) != NULL); 3554 3555 BPF_MTAP(&sc->tulip_if, m); 3556 3557 /* 3558 * The descriptors have been filled in. Now get ready 3559 * to transmit. 3560 */ 3561 IF_ENQUEUE(&sc->tulip_txq, m); 3562 m = NULL; 3563 3564 /* 3565 * Make sure the next descriptor after this packet is owned 3566 * by us since it may have been set up above if we ran out 3567 * of room in the ring. 3568 */ 3569 nextout->d_status = 0; 3570 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3571 3572 /* 3573 * If we only used the first segment of the last descriptor, 3574 * make sure the second segment will not be used. 3575 */ 3576 if (segcnt & 1) { 3577 eop->d_addr2 = 0; 3578 eop->d_length2 = 0; 3579 } 3580 3581 /* 3582 * Mark the last and first segments, indicate we want a transmit 3583 * complete interrupt, and tell it to transmit! 3584 */ 3585 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3586 3587 /* 3588 * Note that ri->ri_nextout is still the start of the packet 3589 * and until we set the OWNER bit, we can still back out of 3590 * everything we have done. 3591 */ 3592 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3593 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3594 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3595 3596 /* 3597 * This advances the ring for us. 3598 */ 3599 ri->ri_nextout = nextout; 3600 ri->ri_free = free; 3601 3602 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3603 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3604 sc->tulip_if.if_flags |= IFF_OACTIVE; 3605 sc->tulip_if.if_start = tulip_ifstart; 3606 return NULL; 3607 } 3608 3609 /* 3610 * switch back to the single queueing ifstart. 3611 */ 3612 sc->tulip_flags &= ~TULIP_WANTTXSTART; 3613 if (sc->tulip_txtimer == 0) 3614 sc->tulip_txtimer = TULIP_TXTIMER; 3615 3616 /* 3617 * If we want a txstart, there must be not enough space in the 3618 * transmit ring. So we want to enable transmit done interrupts 3619 * so we can immediately reclaim some space. When the transmit 3620 * interrupt is posted, the interrupt handler will call tx_intr 3621 * to reclaim space and then txstart (since WANTTXSTART is set). 3622 * txstart will move the packet into the transmit ring and clear 3623 * WANTTXSTART thereby causing TXINTR to be cleared. 3624 */ 3625 finish: 3626 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 3627 sc->tulip_if.if_flags |= IFF_OACTIVE; 3628 sc->tulip_if.if_start = tulip_ifstart; 3629 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3630 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3631 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3632 } 3633 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 3634 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 3635 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 3636 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3637 } 3638 } 3639 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3640 return m; 3641 } 3642 3643 static void 3644 tulip_txput_setup(tulip_softc_t *sc) 3645 { 3646 tulip_ringinfo_t *ri = &sc->tulip_txinfo; 3647 tulip_desc_t *nextout; 3648 3649 /* 3650 * We will transmit, at most, one setup packet per call to ifstart. 3651 */ 3652 3653 /* 3654 * Try to reclaim some free descriptors.. 3655 */ 3656 if (ri->ri_free < 2) 3657 tulip_tx_intr(sc); 3658 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 3659 sc->tulip_flags |= TULIP_WANTTXSTART; 3660 sc->tulip_if.if_start = tulip_ifstart; 3661 return; 3662 } 3663 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 3664 sizeof(sc->tulip_setupbuf)); 3665 /* 3666 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 3667 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 3668 */ 3669 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 3670 ri->ri_free--; 3671 nextout = ri->ri_nextout; 3672 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3673 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 3674 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 3675 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 3676 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 3677 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 3678 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 3679 3680 nextout->d_length2 = 0; 3681 nextout->d_addr2 = 0; 3682 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 3683 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 3684 3685 /* 3686 * Advance the ring for the next transmit packet. 3687 */ 3688 if (++ri->ri_nextout == ri->ri_last) 3689 ri->ri_nextout = ri->ri_first; 3690 3691 /* 3692 * Make sure the next descriptor is owned by us since it 3693 * may have been set up above if we ran out of room in the 3694 * ring. 3695 */ 3696 ri->ri_nextout->d_status = 0; 3697 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 3698 nextout->d_status = TULIP_DSTS_OWNER; 3699 /* 3700 * Flush the ownwership of the current descriptor 3701 */ 3702 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3703 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 3704 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 3705 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3706 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3707 } 3708 } 3709 3710 static int 3711 tulip_ifioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred * cr) 3712 { 3713 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3714 struct ifaddr *ifa = (struct ifaddr *)data; 3715 struct ifreq *ifr = (struct ifreq *)data; 3716 int error = 0; 3717 3718 switch (cmd) { 3719 case SIOCSIFADDR: { 3720 ifp->if_flags |= IFF_UP; 3721 switch(ifa->ifa_addr->sa_family) { 3722 #ifdef INET 3723 case AF_INET: { 3724 tulip_init(sc); 3725 arp_ifinit(&(sc)->tulip_ac.ac_if, ifa); 3726 break; 3727 } 3728 #endif /* INET */ 3729 3730 #ifdef IPX 3731 case AF_IPX: { 3732 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3733 if (ipx_nullhost(*ina)) { 3734 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 3735 } else { 3736 ifp->if_flags &= ~IFF_RUNNING; 3737 bcopy((caddr_t)ina->x_host.c_host, 3738 (caddr_t)sc->tulip_enaddr, 3739 sizeof(sc->tulip_enaddr)); 3740 } 3741 tulip_init(sc); 3742 break; 3743 } 3744 #endif /* IPX */ 3745 3746 #ifdef NS 3747 /* 3748 * This magic copied from if_is.c; I don't use XNS, 3749 * so I have no way of telling if this actually 3750 * works or not. 3751 */ 3752 case AF_NS: { 3753 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 3754 if (ns_nullhost(*ina)) { 3755 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 3756 } else { 3757 ifp->if_flags &= ~IFF_RUNNING; 3758 bcopy((caddr_t)ina->x_host.c_host, 3759 (caddr_t)sc->tulip_enaddr, 3760 sizeof(sc->tulip_enaddr)); 3761 } 3762 tulip_init(sc); 3763 break; 3764 } 3765 #endif /* NS */ 3766 3767 default: { 3768 tulip_init(sc); 3769 break; 3770 } 3771 } 3772 break; 3773 } 3774 case SIOCGIFADDR: { 3775 bcopy((caddr_t) sc->tulip_enaddr, 3776 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 3777 6); 3778 break; 3779 } 3780 3781 case SIOCSIFFLAGS: { 3782 tulip_addr_filter(sc); /* reinit multicast filter */ 3783 tulip_init(sc); 3784 break; 3785 } 3786 3787 case SIOCSIFMEDIA: 3788 case SIOCGIFMEDIA: { 3789 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 3790 break; 3791 } 3792 3793 case SIOCADDMULTI: 3794 case SIOCDELMULTI: { 3795 /* 3796 * Update multicast listeners 3797 */ 3798 tulip_addr_filter(sc); /* reset multicast filtering */ 3799 tulip_init(sc); 3800 error = 0; 3801 break; 3802 } 3803 3804 case SIOCSIFMTU: 3805 /* 3806 * Set the interface MTU. 3807 */ 3808 if (ifr->ifr_mtu > ETHERMTU 3809 #ifdef BIG_PACKET 3810 && sc->tulip_chipid != TULIP_21140 3811 && sc->tulip_chipid != TULIP_21140A 3812 && sc->tulip_chipid != TULIP_21041 3813 #endif 3814 ) { 3815 error = EINVAL; 3816 break; 3817 } 3818 ifp->if_mtu = ifr->ifr_mtu; 3819 #ifdef BIG_PACKET 3820 tulip_reset(sc); 3821 tulip_init(sc); 3822 #endif 3823 break; 3824 3825 #ifdef SIOCGADDRROM 3826 case SIOCGADDRROM: { 3827 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 3828 break; 3829 } 3830 #endif 3831 #ifdef SIOCGCHIPID 3832 case SIOCGCHIPID: { 3833 ifr->ifr_metric = (int) sc->tulip_chipid; 3834 break; 3835 } 3836 #endif 3837 default: { 3838 error = EINVAL; 3839 break; 3840 } 3841 } 3842 return error; 3843 } 3844 3845 static void 3846 tulip_ifstart(struct ifnet *ifp) 3847 { 3848 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3849 3850 if (sc->tulip_if.if_flags & IFF_RUNNING) { 3851 3852 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3853 tulip_txput_setup(sc); 3854 3855 while (sc->tulip_if.if_snd.ifq_head != NULL) { 3856 struct mbuf *m; 3857 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 3858 if ((m = tulip_txput(sc, m)) != NULL) { 3859 IF_PREPEND(&sc->tulip_if.if_snd, m); 3860 break; 3861 } 3862 } 3863 } 3864 } 3865 3866 static void 3867 tulip_ifwatchdog(struct ifnet *ifp) 3868 { 3869 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 3870 3871 sc->tulip_if.if_timer = 1; 3872 /* 3873 * These should be rare so do a bulk test up front so we can just skip 3874 * them if needed. 3875 */ 3876 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 3877 /* 3878 * If the number of receive buffer is low, try to refill 3879 */ 3880 if (sc->tulip_flags & TULIP_RXBUFSLOW) 3881 tulip_rx_intr(sc); 3882 3883 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 3884 if_printf(ifp, "%d system errors: last was %s\n", 3885 sc->tulip_system_errors, 3886 tulip_system_errors[sc->tulip_last_system_error]); 3887 } 3888 if (sc->tulip_statusbits) { 3889 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 3890 sc->tulip_statusbits = 0; 3891 } 3892 3893 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 3894 } 3895 3896 if (sc->tulip_txtimer) 3897 tulip_tx_intr(sc); 3898 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 3899 if_printf(ifp, "transmission timeout\n"); 3900 if (TULIP_DO_AUTOSENSE(sc)) { 3901 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3902 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3903 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 3904 } 3905 tulip_reset(sc); 3906 tulip_init(sc); 3907 } 3908 } 3909 3910 static void 3911 tulip_attach(tulip_softc_t *sc) 3912 { 3913 struct ifnet *ifp = &sc->tulip_if; 3914 3915 callout_init(&sc->tulip_timer); 3916 callout_init(&sc->tulip_fast_timer); 3917 3918 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 3919 ifp->if_ioctl = tulip_ifioctl; 3920 ifp->if_start = tulip_ifstart; 3921 ifp->if_watchdog = tulip_ifwatchdog; 3922 ifp->if_timer = 1; 3923 3924 if_printf(ifp, "%s%s pass %d.%d%s\n", 3925 sc->tulip_boardid, 3926 tulip_chipdescs[sc->tulip_chipid], 3927 (sc->tulip_revinfo & 0xF0) >> 4, 3928 sc->tulip_revinfo & 0x0F, 3929 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 3930 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 3931 3932 (*sc->tulip_boardsw->bd_media_probe)(sc); 3933 ifmedia_init(&sc->tulip_ifmedia, 0, 3934 tulip_ifmedia_change, 3935 tulip_ifmedia_status); 3936 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 3937 tulip_ifmedia_add(sc); 3938 3939 tulip_reset(sc); 3940 3941 ether_ifattach(&(sc)->tulip_if, sc->tulip_enaddr, NULL); 3942 ifp->if_snd.ifq_maxlen = ifqmaxlen; 3943 } 3944 3945 static void 3946 tulip_detach(tulip_softc_t *sc) 3947 { 3948 ifmedia_removeall(&sc->tulip_ifmedia); 3949 ether_ifdetach(&sc->tulip_if); 3950 } 3951 3952 static void 3953 tulip_initcsrs(tulip_softc_t *sc, tulip_csrptr_t csr_base, size_t csr_size) 3954 { 3955 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 3956 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 3957 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 3958 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 3959 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 3960 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 3961 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 3962 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 3963 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 3964 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 3965 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 3966 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 3967 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 3968 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 3969 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 3970 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 3971 } 3972 3973 static void 3974 tulip_initring(tulip_softc_t *sc, tulip_ringinfo_t *ri, tulip_desc_t *descs, 3975 int ndescs) 3976 { 3977 ri->ri_max = ndescs; 3978 ri->ri_first = descs; 3979 ri->ri_last = ri->ri_first + ri->ri_max; 3980 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 3981 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 3982 } 3983 3984 /* 3985 * This is the PCI configuration support. 3986 */ 3987 3988 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 3989 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 3990 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 3991 3992 static int 3993 tulip_pci_probe(device_t dev) 3994 { 3995 const char *name = NULL; 3996 3997 if (pci_get_vendor(dev) != DEC_VENDORID) 3998 return ENXIO; 3999 4000 /* 4001 * Some LanMedia WAN cards use the Tulip chip, but they have 4002 * their own driver, and we should not recognize them 4003 */ 4004 if (pci_get_subvendor(dev) == 0x1376) 4005 return ENXIO; 4006 4007 switch (pci_get_device(dev)) { 4008 case CHIPID_21040: 4009 name = "Digital 21040 Ethernet"; 4010 break; 4011 case CHIPID_21041: 4012 name = "Digital 21041 Ethernet"; 4013 break; 4014 case CHIPID_21140: 4015 if (pci_get_revid(dev) >= 0x20) 4016 name = "Digital 21140A Fast Ethernet"; 4017 else 4018 name = "Digital 21140 Fast Ethernet"; 4019 break; 4020 case CHIPID_21142: 4021 if (pci_get_revid(dev) >= 0x20) 4022 name = "Digital 21143 Fast Ethernet"; 4023 else 4024 name = "Digital 21142 Fast Ethernet"; 4025 break; 4026 } 4027 if (name) { 4028 device_set_desc(dev, name); 4029 return -200; 4030 } 4031 return ENXIO; 4032 } 4033 4034 static int 4035 tulip_shutdown(device_t dev) 4036 { 4037 tulip_softc_t *sc = device_get_softc(dev); 4038 4039 lwkt_serialize_enter(sc->tulip_if.if_serializer); 4040 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4041 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4042 33MHz that comes to two microseconds but wait a 4043 bit longer anyways) */ 4044 lwkt_serialize_exit(sc->tulip_if.if_serializer); 4045 return 0; 4046 } 4047 4048 static int 4049 tulip_pci_attach(device_t dev) 4050 { 4051 tulip_softc_t *sc; 4052 int retval, idx; 4053 uint32_t revinfo, cfdainfo, cfcsinfo; 4054 u_int csroffset = TULIP_PCI_CSROFFSET; 4055 u_int csrsize = TULIP_PCI_CSRSIZE; 4056 tulip_csrptr_t csr_base; 4057 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4058 struct resource *res; 4059 int rid; 4060 4061 if (device_get_unit(dev) >= TULIP_MAX_DEVICES) { 4062 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4063 TULIP_MAX_DEVICES); 4064 return ENXIO; 4065 } 4066 4067 revinfo = pci_get_revid(dev); 4068 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4069 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 4070 4071 /* turn busmaster on in case BIOS doesn't set it */ 4072 pci_enable_busmaster(dev); 4073 4074 if (pci_get_vendor(dev) == DEC_VENDORID) { 4075 if (pci_get_device(dev) == CHIPID_21040) 4076 chipid = TULIP_21040; 4077 else if (pci_get_device(dev) == CHIPID_21041) 4078 chipid = TULIP_21041; 4079 else if (pci_get_device(dev) == CHIPID_21140) 4080 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4081 else if (pci_get_device(dev) == CHIPID_21142) 4082 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4083 } 4084 if (chipid == TULIP_CHIPID_UNKNOWN) 4085 return ENXIO; 4086 4087 if (chipid == TULIP_21040 && revinfo < 0x20) { 4088 device_printf(dev, "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4089 revinfo >> 4, revinfo & 0x0f); 4090 return ENXIO; 4091 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4092 device_printf(dev, "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4093 revinfo >> 4, revinfo & 0x0f); 4094 return ENXIO; 4095 } 4096 4097 sc = device_get_softc(dev); 4098 sc->tulip_dev = dev; 4099 sc->tulip_pci_busno = pci_get_bus(dev); 4100 sc->tulip_pci_devno = pci_get_slot(dev); 4101 sc->tulip_chipid = chipid; 4102 sc->tulip_flags |= TULIP_DEVICEPROBE; 4103 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4104 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4105 if (chipid == TULIP_21140A && revinfo <= 0x22) 4106 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4107 if (chipid == TULIP_21140) 4108 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4109 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4110 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4111 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4112 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4113 if (chipid != TULIP_21041 || revinfo >= 0x20) 4114 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4115 if (chipid != TULIP_21041) 4116 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4117 if (chipid != TULIP_21041 && revinfo >= 0x20) 4118 sc->tulip_features |= TULIP_HAVE_SIA100; 4119 } 4120 4121 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4122 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4123 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4124 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4125 DELAY(11*1000); 4126 } 4127 if_initname(&sc->tulip_if, device_get_name(dev), device_get_unit(dev)); 4128 sc->tulip_revinfo = revinfo; 4129 sc->tulip_if.if_softc = sc; 4130 #if defined(TULIP_IOMAPPED) 4131 rid = PCI_CBIO; 4132 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4133 #else 4134 rid = PCI_CBMA; 4135 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4136 #endif 4137 if (!res) 4138 return ENXIO; 4139 sc->tulip_csrs_bst = rman_get_bustag(res); 4140 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4141 csr_base = 0; 4142 4143 tulips[device_get_unit(dev)] = sc; 4144 4145 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4146 4147 sc->tulip_rxdescs = kmalloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, 4148 M_DEVBUF, M_INTWAIT); 4149 sc->tulip_txdescs = kmalloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, 4150 M_DEVBUF, M_INTWAIT); 4151 4152 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4153 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4154 4155 /* 4156 * Make sure there won't be any interrupts or such... 4157 */ 4158 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4159 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4160 33MHz that comes to two microseconds but wait a 4161 bit longer anyways) */ 4162 4163 if ((retval = tulip_read_macaddr(sc)) < 0) { 4164 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4165 for (idx = 0; idx < 32; idx++) 4166 kprintf("%02x", sc->tulip_rombuf[idx]); 4167 kprintf("\n"); 4168 device_printf(dev, "%s%s pass %d.%d\n", 4169 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4170 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4171 device_printf(dev, "address unknown\n"); 4172 } else { 4173 void (*intr_rtn)(void *) = tulip_intr_normal; 4174 4175 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4176 intr_rtn = tulip_intr_shared; 4177 4178 tulip_attach(sc); 4179 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4180 void *ih; 4181 4182 rid = 0; 4183 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4184 RF_SHAREABLE | RF_ACTIVE); 4185 if (res == 0 || bus_setup_intr(dev, res, INTR_NETSAFE, 4186 intr_rtn, sc, &ih, 4187 sc->tulip_if.if_serializer)) { 4188 device_printf(dev, "couldn't map interrupt\n"); 4189 tulip_detach(sc); 4190 kfree((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 4191 kfree((caddr_t) sc->tulip_txdescs, M_DEVBUF); 4192 return ENXIO; 4193 } 4194 } 4195 } 4196 return 0; 4197 } 4198 4199 static device_method_t tulip_pci_methods[] = { 4200 /* Device interface */ 4201 DEVMETHOD(device_probe, tulip_pci_probe), 4202 DEVMETHOD(device_attach, tulip_pci_attach), 4203 DEVMETHOD(device_shutdown, tulip_shutdown), 4204 { 0, 0 } 4205 }; 4206 static driver_t tulip_pci_driver = { 4207 "de", 4208 tulip_pci_methods, 4209 sizeof(tulip_softc_t), 4210 }; 4211 static devclass_t tulip_devclass; 4212 4213 DECLARE_DUMMY_MODULE(if_de); 4214 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 4215 4216